awesome-java

A curated list of awesome Java frameworks, libraries and software.

iluwatar/java-design-patterns - Design patterns implemented in Java
elastic/elasticsearch - Open Source, Distributed, RESTful Search Engine
ReactiveX/RxJava - RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.
spring-projects/spring-boot - Spring Boot
kdn251/interviews - Everything you need to know to get the job.
square/retrofit - Type-safe HTTP client for Android and Java by Square, Inc.
square/okhttp - An HTTP+HTTP/2 client for Android and Java applications.
google/guava - Google core libraries for Java
PhilJay/MPAndroidChart - A powerful 🚀 Android chart view / graph view library, supporting line- bar- pie- radar- bubble- and candlestick charts as well as scaling, dragging and animations.
apache/incubator-dubbo - Apache Dubbo (incubating) is a high-performance, java based, open source RPC framework.
Snailclimb/JavaGuide - 【Java学习+面试指南】一份涵盖大部分Java程序员所需要掌握的核心知识。
square/leakcanary - A memory leak detection library for Android and Java.
zxing/zxing - ZXing ("Zebra Crossing") barcode scanning library for Java, Android
greenrobot/EventBus - Event bus for Android and Java that simplifies communication between Activities, Fragments, Threads, Services, etc. Less code, better quality.
crossoverJie/JCSprout - 👨‍🎓 Java Core Sprout : basic, concurrent, algorithm
skylot/jadx - Dex to Java decompiler
alibaba/fastjson - 🚄 A fast JSON parser/generator for Java. (Aliyun Data Lake Analytics https://www.aliyun.com/product/datalakeanalytics powered by fastjson )
libgdx/libgdx - Desktop/Android/HTML5/iOS Java game development framework
google/gson - A Java serialization/deserialization library to convert Java Objects into JSON and back
SeleniumHQ/selenium - A browser automation framework and ecosystem.
android10/Android-CleanArchitecture - This is a sample app that is part of a series of blog posts I have written about how to architect an android application using Uncle Bob's clean architecture approach.
google/ExoPlayer - An extensible media player for Android
jenkinsci/jenkins - Jenkins automation server
winterbe/java8-tutorial - Modern Java - A Guide to Java 8
orhanobut/logger - ✔️ Simple, pretty and powerful logger for android
b3log/symphony - 🎶 一款用 Java 实现的现代化社区（论坛/BBS/社交网络/博客）平台。https://hacpai.com
TheAlgorithms/Java - All Algorithms implemented in Java
deeplearning4j/deeplearning4j - Deeplearning4j, ND4J, DataVec and more - deep learning & linear algebra for Java/Scala with GPUs + Spark - From Skymind
realm/realm-java - Realm is a mobile database: a replacement for SQLite & ORMs
mikepenz/MaterialDrawer - The flexible, easy to use, all in one drawer library for your Android project. Now brand new with material 2 design.
Konloch/bytecode-viewer - A Java 8 Jar & Android APK Reverse Engineering Suite (Decompiler, Editor, Debugger & More)
mybatis/mybatis-3 - MyBatis SQL mapper framework for Java
alibaba/arthas - Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas
eclipse-vertx/vert.x - Vert.x is a tool-kit for building reactive applications on the JVM
brettwooldridge/HikariCP - 光 HikariCP・A solid, high-performance, JDBC connection pool at last.
wasabeef/recyclerview-animators - An Android Animation library which easily add itemanimator to RecyclerView items.
prestodb/presto - Distributed SQL query engine for big data
permissions-dispatcher/PermissionsDispatcher - Simple annotation-based API to handle runtime permissions.
vondear/RxTool - Android开发人员不得不收集的工具类集合 | 支付宝支付 | 微信支付（统一下单） | 微信分享 | Zip4j压缩（支持分卷压缩与加密） | 一键集成UCrop选择圆形头像 | 一键集成二维码和条形码的扫描与生成 | 常用Dialog | WebView的封装可播放视频 | 仿斗鱼滑动验证码 | Toast封装 | 震动 | GPS | Location定位 | 图片缩放 | Exif 图片添加地理位置信息（经纬度） | 蛛网等级 | 颜色选择器 | ArcGis | VTPK | 编译运行一下说不定会找到惊喜
doocs/advanced-java - 😮 互联网 Java 工程师进阶知识完全扫盲
mockito/mockito - Most popular Mocking framework for unit tests written in Java
Yalantis/uCrop - Image Cropping Library for Android
roughike/BottomBar - (Deprecated) A custom view component that mimics the new Material Design Bottom Navigation pattern.
perwendel/spark - A simple expressive web framework for java. News: Spark now has a kotlin DSL https://github.com/perwendel/spark-kotlin
naver/pinpoint - Pinpoint is an open source APM (Application Performance Management) tool for large-scale distributed systems written in Java.
redisson/redisson - Redisson - distributed Java objects and services (Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Publish / Subscribe, Bloom filter, Spring Cache, Tomcat, Scheduler, JCache API, Hibernate) on top of Redis server. State of the Art Redis Java client
ityouknow/spring-boot-examples - about learning Spring Boot via examples. Spring Boot 教程、技术栈示例代码，快速简单上手教程。
florent37/MaterialViewPager - A Material Design ViewPager easy to use library
oracle/graal - GraalVM: Run Programs Faster Anywhere 🚀
google/guice - Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 6 and above, brought to you by Google.
xetorthio/jedis - A blazingly small and sane redis java client
code4craft/webmagic - A scalable web crawler framework for Java.
google/auto - A collection of source code generators for Java.
wasabeef/glide-transformations - An Android transformation library providing a variety of image transformations for Glide.
rzwitserloot/lombok - Very spicy additions to the Java programming language.
junit-team/junit4 - A programmer-oriented testing framework for Java.
dropwizard/dropwizard - A damn simple library for building production-ready RESTful web services.
google/tink - Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.
square/dagger - A fast dependency injector for Android and Java.
cymcsg/UltimateRecyclerView - A RecyclerView(advanced and flexible version of ListView in Android) with refreshing,loading more,animation and many other features.
Bearded-Hen/Android-Bootstrap - Bootstrap style widgets for Android, with Glyph Icons
kaushikgopal/RxJava-Android-Samples - Learning RxJava for Android by example
xuxueli/xxl-job - A lightweight distributed task scheduling framework.（分布式任务调度平台XXL-JOB）
jhy/jsoup - jsoup: Java HTML Parser, with best of DOM, CSS, and jquery
codecentric/spring-boot-admin - Admin UI for administration of spring boot applications
square/javapoet - A Java API for generating .java source files.
facebook/buck - A fast build system that encourages the creation of small, reusable modules over a variety of platforms and languages.
b3log/solo - 🎸 一款小而美的博客系统，专为程序员设计。https://hacpai.com/tag/solo
dropwizard/metrics - 📈 Capturing JVM- and application-level metrics. So you know what's going on.
medcl/elasticsearch-analysis-ik - The IK Analysis plugin integrates Lucene IK analyzer into elasticsearch, support customized dictionary.
lzyzsd/JsBridge - android java and javascript bridge, inspired by wechat webview jsbridge
OpenRefine/OpenRefine - OpenRefine is a free, open source power tool for working with messy data and improving it
stanfordnlp/CoreNLP - Stanford CoreNLP: A Java suite of core NLP tools.
cats-oss/android-gpuimage - Android filters based on OpenGL (idea from GPUImage for iOS)
rey5137/material - A library to bring fully animated Material Design components to pre-Lolipop Android.
pxb1988/dex2jar - Tools to work with android .dex and java .class files
swagger-api/swagger-core - Examples and server integrations for generating the Swagger API Specification, which enables easy access to your REST API
apereo/cas - Apereo CAS - Enterprise Single Sign On for all earthlings and beyond.
GoogleContainerTools/jib - ⛵ Build container images for your Java applications.
google/android-classyshark - Analyse your Android app (APK)
grpc/grpc-java - The Java gRPC implementation. HTTP/2 based RPC
google/j2objc - A Java to iOS Objective-C translation tool and runtime.
evant/gradle-retrolambda - A gradle plugin for getting java lambda support in java 6, 7 and android
facebook/rebound - A Java library that models spring dynamics and adds real world physics to your app.
ben-manes/caffeine - A high performance caching library for Java 8
Blankj/awesome-java-leetcode - 👑 LeetCode of algorithms with java solution(updating).
vipshop/vjtools - The vip.com's java coding standard, libraries and tools
antlr/antlr4 - ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.
hs-web/hsweb-framework - hsweb (haʊs wɛb) 是一个用于快速搭建企业后台管理系统的基础项目,集成一揽子便捷功能如:便捷的通用增删改查,强大的权限管理,动态多数据源,动态表单,在线数据库维护等. 基于 spring-boot,mybaits.
alibaba/Sentinel - A lightweight powerful flow control component enabling reliability and monitoring for microservices. (轻量级的流量控制、熔断降级 Java 库)
sockeqwe/mosby - A Model-View-Presenter / Model-View-Intent library for modern Android apps
TooTallNate/Java-WebSocket - A barebones WebSocket client and server implementation written in 100% Java.
AsyncHttpClient/async-http-client - Asynchronous Http and WebSocket Client library for Java
prolificinteractive/material-calendarview - A Material design back port of Android's CalendarView
Yalantis/Side-Menu.Android - Side menu with some categories to choose.
JakeWharton/DiskLruCache - Java implementation of a Disk-based LRU cache which specifically targets Android compatibility.
square/moshi - A modern JSON library for Kotlin and Java.
NLPchina/ansj_seg - ansj分词.ict的真正java实现.分词效果速度都超过开源版的ict. 中文分词,人名识别,词性标注,用户自定义词典
scribejava/scribejava - Simple OAuth library for Java
alibaba/fescar - 🔥 Fescar is an easy-to-use, high-performance, java based, open source distributed transaction solution.
Activiti/Activiti - Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process engine for Java. It's open-source and distributed under the Apache license. Activiti runs in any Java application, on a server, on a cluster or in the cloud. It integrates perfectly with Spring, it is extremely lightweight and based on simple concepts.
java-native-access/jna - Java Native Access
NanoHttpd/nanohttpd - Tiny, easily embeddable HTTP server in Java.
robolectric/robolectric - Android Unit Testing Framework
google/error-prone - Catch common Java mistakes as compile-time errors
Ramotion/folding-cell-android - 📃 FoldingCell is a material design expanding content cell inspired by folding paper material made by @Ramotion - https://github.com/Ramotion/android-ui-animation-components-and-libraries
orhanobut/dialogplus - Advanced dialog solution for android
jwtk/jjwt - Java JWT: JSON Web Token for Java and Android
gzu-liyujiang/AndroidPicker - 安卓选择器类库，包括日期选择器、时间选择器、单项选择器、双项选择器、城市地址选择器、车牌号选择器、数字选择器、星座选择器、生肖选择器、颜色选择器、文件选择器、目录选择器等，可自定义顶部及底部界面，可自定义窗口动画……Picker for android, include date&time/option/number/address/city/color/file&directory.
joelittlejohn/jsonschema2pojo - Generate Java types from JSON or JSON Schema and annotates those types for data-binding with Jackson, Gson, etc
checkstyle/checkstyle - Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.
Vedenin/useful-java-links - A list of useful Java frameworks, libraries, software and hello worlds examples
real-logic/aeron - Efficient reliable UDP unicast, UDP multicast, and IPC message transport
amitshekhariitbhu/RxJava2-Android-Samples - RxJava 2 Android Examples - Migration From RxJava 1 to RxJava 2 - How to use RxJava 2 in Android
mikepenz/Android-Iconics - Android-Iconics - Use any icon font, or vector (.svg) as drawable in your application.
lihengming/spring-boot-api-project-seed - 🌱🚀一个基于Spring Boot & MyBatis的种子项目，用于快速构建中小型API、RESTful API项目~
diogobernardino/WilliamChart - Android library to create charts.
mcxiaoke/packer-ng-plugin - 下一代Android打包工具，100个渠道包只需要10秒钟
OpenFeign/feign - Feign makes writing java http clients easier
Yalantis/Phoenix - Phoenix Pull-to-Refresh
JodaOrg/joda-time - Joda-Time is the widely used replacement for the Java date and time classes prior to Java SE 8.
liyifeng1994/ssm - 手把手教你整合最优雅SSM框架：SpringMVC + Spring + MyBatis
MindorksOpenSource/from-java-to-kotlin - From Java To Kotlin - Your Cheat Sheet For Java To Kotlin
baomidou/mybatis-plus - An powerful enhanced toolkit of MyBatis for simplify development
wasabeef/Blurry - Blurry is an easy blur library for Android
h2oai/h2o-3 - Open Source Fast Scalable Machine Learning Platform For Smarter Applications (Deep Learning, Gradient Boosting, Random Forest, Generalized Linear Modeling (Logistic Regression, Elastic Net), K-Means, PCA, Stacked Ensembles, Automatic Machine Learning (AutoML), ...)
flyway/flyway - Flyway by Boxfuse • Database Migrations Made Easy.
rengwuxian/RxJavaSamples - RxJava 2 和 Retrofit 结合使用的几个最常见使用方式举例
nisrulz/android-tips-tricks - ☑️ [Cheatsheet] Tips and tricks for Android Development
rest-assured/rest-assured - Java DSL for easy testing of REST services
hibernate/hibernate-orm - Hibernate's core Object/Relational Mapping functionality
spring-cloud-incubator/spring-cloud-alibaba - Spring Cloud Alibaba provides a one-stop solution for application development for the distributed solutions of Alibaba middleware.
jfoenixadmin/JFoenix - JavaFX Material Design Library
alibaba/easyexcel - 快速、简单避免OOM的java处理Excel工具
mrniko/netty-socketio - Socket.IO server implemented on Java. Realtime java framework
socketio/socket.io-client-java - Full-featured Socket.IO Client Library for Java, which is compatible with Socket.IO v1.0 and later.
luontola/retrolambda - Backport of Java 8's lambda expressions to Java 7, 6 and 5
jankotek/mapdb - MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.
johncarl81/parceler - 📦 Android Parcelables made easy through code generation.
json-path/JsonPath - Java JsonPath implementation
puniverse/quasar - Fibers, Channels and Actors for the JVM
yasserg/crawler4j - Open Source Web Crawler for Java
springfox/springfox - Automated JSON API documentation for API's built with Spring
SplashCodes/JAViewer - 更优雅的驾车体验
Atmosphere/atmosphere - Realtime Client Server Framework for the JVM, supporting WebSockets with Cross-Browser Fallbacks
yangfuhai/ASimpleCache - a simple cache for android and java
DuGuQiuBai/Java - 27天成为Java大神
spring-projects/spring-security - Spring Security
stleary/JSON-java - A reference implementation of a JSON package in Java.
bitcoinj/bitcoinj - A library for working with Bitcoin
changmingxie/tcc-transaction - tcc-transaction是TCC型事务java实现
siacs/Conversations - Conversations is an open source XMPP/Jabber client for the Android platform
spring-cloud/spring-cloud-netflix - Integration with Netflix OSS components
bytedeco/javacv - Java interface to OpenCV, FFmpeg, and more
looly/hutool - A set of tools that keep Java sweet.
graphql-java/graphql-java - GraphQL Java implementation
hazelcast/hazelcast - Open Source In-Memory Data Grid
ragunathjawahar/android-saripaar - UI form validation library for Android
vavr-io/vavr - VΛVΓ (Vavr, formerly called Javaslang) is a non-commercial, non-profit object-functional library that runs with Java 8+. It aims to reduce the lines of code and increase code quality.
objectbox/objectbox-java - ObjectBox is a superfast lightweight database for objects
jasonross/Nuwa - Nuwa, pure java implementation, can hotfix your android application.
sherxon/AlgoDS - Implementation of Algorithms and Data Structures, Problems and Solutions
awangdev/LintCode - Java Solutions to problems on LintCode/LeetCode
kevinsawicki/http-request - Java HTTP Request Library
aws/aws-sdk-java - The official AWS SDK for Java.
jOOQ/jOOQ - jOOQ is the best way to write SQL in Java
junit-team/junit5 - The next generation of JUnit.
MinecraftForge/MinecraftForge - Modifications to the Minecraft base files to assist in compatibility between mods.
oblac/jodd - Jodd! Lightweight. Java. Use what you like.
CalebFenton/simplify - Generic Android Deobfuscator
CameraKit/blurkit-android - The missing Android blurring library. Fast blur-behind layout that parallels iOS.
jfinal/jfinal - JAVA WEB + ORM Framework
brianway/java-learning - 旨在打造在线最佳的 Java 学习笔记，含博客讲解和源码实例，包括 Java SE 和 Java Web
requery/requery - requery - modern SQL based query & persistence for Java / Kotlin / Android
vespa-engine/vespa - Vespa is an engine for low-latency computation over large data sets.
oldmanpushcart/greys-anatomy - Java诊断工具
bytedeco/javacpp - The missing bridge between Java and native C++
Yalantis/GuillotineMenu-Android - Neat library, that provides a simple way to implement guillotine-styled animation
knowm/XChange - XChange is a Java library providing a streamlined API for interacting with 60+ Bitcoin and Altcoin exchanges providing a consistent interface for trading and accessing market data.
cryptomator/cryptomator - Multi-platform transparent client-side encryption of your files in the cloud
apache/jmeter - Mirror of Apache JMeter
square/wire - Clean, lightweight protocol buffers for Android and Java.
florent37/ExpectAnim - Describe your animation and run !
yusugomori/DeepLearning - Deep Learning (Python, C, C++, Java, Scala, Go)
raphw/byte-buddy - Runtime code generation for the Java virtual machine.
phishman3579/java-algorithms-implementation - Algorithms and Data Structures implemented in Java
cglib/cglib - cglib - Byte Code Generation Library is high level API to generate and transform Java byte code. It is used by AOP, testing, data access frameworks to generate dynamic proxy objects and intercept field access.
MovingBlocks/Terasology - Terasology - open source voxel world
pedrovgs/Algorithms - Solutions for some common algorithm problems written in Java.
auth0/java-jwt - Java implementation of JSON Web Token (JWT)
chewiebug/GCViewer - Fork of tagtraum industries' GCViewer. Tagtraum stopped development in 2008, I aim to improve support for Sun's / Oracle's java 1.6+ garbage collector logs (including G1 collector)
btraceio/btrace - BTrace - a safe, dynamic tracing tool for the Java platform
fyhertz/libstreaming - A solution for streaming H.264, H.263, AMR, AAC using RTP on Android
ffay/lanproxy - lanproxy是一个将局域网个人电脑、服务器代理到公网的内网穿透工具，目前仅支持tcp流量转发，可支持任何tcp上层协议（访问内网网站、本地支付接口调试、ssh访问、远程桌面...）。目前市面上提供类似服务的有花生壳、TeamView、GoToMyCloud等等，但要使用第三方的公网服务器就必须为第三方付费，并且这些服务都有各种各样的限制，此外，由于数据包会流经第三方，因此对数据安全也是一大隐患。
balysv/material-menu - Animations for Android L drawer, back, dismiss and check icons
uber/NullAway - A tool to help eliminate NullPointerExceptions (NPEs) in your Java code with low build-time overhead
google/google-java-format - Reformats Java source code to comply with Google Java Style.
lizhangqu/CoreLink - Android 开发中的日常积累
ronmamo/reflections - Java runtime metadata analysis
mpusher/mpush - MPush开源实时消息推送系统
eclipse/jetty.project - Eclipse Jetty® - Web Container & Clients - supports HTTP/2, HTTP/1.1, HTTP/1.0, websocket, servlets, and more
powermock/powermock - PowerMock is a Java framework that allows you to unit test code normally regarded as untestable.
oracle/opengrok - OpenGrok is a fast and usable source code search and cross reference engine, written in Java
AriaLyy/Aria - 下载可以很简单
ZieIony/Carbon - Material Design implementation for Android 4.0+. Shadows, ripples, vectors, fonts, animations, widgets, rounded corners and more.
zhanglei-workspace/shopping-management-system - 该项目为多个小项目的集合（持续更新中...）。内容类似淘宝、京东等网购管理系统以及图书管理、超市管理等系统。目的在于便于Java初级爱好者在学习完某一部分Java知识后有一个合适的项目锻炼、运用所学知识，完善知识体系。适用人群：Java基础到入门的爱好者。
Twitter4J/Twitter4J - Twitter4J is an open-sourced, mavenized and Google App Engine safe Java library for the Twitter API which is released under the Apache License 2.0.
crate/crate - CrateDB is a distributed SQL database that makes it simple to store and analyze massive amounts of machine data in real-time.
iSoron/uhabits - Loop Habit Tracker, an Android app for creating and maintaining good habits
WritingMinds/ffmpeg-android-java - Android java library for FFmpeg binary compiled using https://github.com/writingminds/ffmpeg-android
nanchen2251/RxJava2Examples - 🔥RxJava2 Examples —— 这可能是从 RxJava1 跳到 RxJava2（学习 RxJava2 ）最好的例子 Demo：https://github.com/nanchen2251/RxJava2Examples
immutables/immutables - Annotation processor to create immutable objects and builders. Feels like Guava's immutable collections but for regular value objects. JSON, Jackson, Gson, JAX-RS integrations included
javaee-samples/javaee7-samples - Java EE 7 Samples
chanjarster/weixin-java-tools - 微信公众号、企业号Java SDK
web3j/web3j - Lightweight Java and Android library for integration with Ethereum clients
r0adkll/Slidr - Easily add slide to dismiss functionality to an Activity
square/tape - A lightning fast, transactional, file-based FIFO for Android and Java.
FinalTeam/RxGalleryFinal - Android图片单选/多选、拍照、裁剪、压缩。视频选择和录制。
spockframework/spock - The Enterprise-ready testing and specification framework.
CrawlScript/WebCollector - WebCollector is an open source web crawler framework based on Java.It provides some simple interfaces for crawling the Web,you can setup a multi-threaded web crawler in less than 5 minutes.
javaparser/javaparser - Java 1-11 Parser and Abstract Syntax Tree for Java –
alipay/sofa-rpc - SOFARPC is a high-performance, high-extensibility, production-level Java RPC framework.
spring-projects/spring-loaded - Java agent that enables class reloading in a running JVM
deathmarine/Luyten - An Open Source Java Decompiler Gui for Procyon
balysv/material-ripple - Android L Ripple effect wrapper for Views
Yalantis/Euclid - User Profile Interface Animation
lettuce-io/lettuce-core - Advanced Java Redis client for thread-safe sync, async, and reactive usage. Supports Cluster, Sentinel, Pipelining, and codecs.
VictorAlbertos/RxCache - Reactive caching library for Android and Java
querydsl/querydsl - Unified Queries for Java
ltsopensource/light-task-scheduler - Distributed Scheduled Job Framework
bastillion-io/Bastillion - Bastillion is a web-based SSH console that centrally manages administrative access to systems. Web-based administration is combined with management and distribution of user's public SSH keys.
mongodb/mongo-java-driver - The Java driver for MongoDB
guoguibing/librec - LibRec: A Leading Java Library for Recommender Systems, see
tronprotocol/java-tron - Java implementation of the Tron whitepaper
pmd/pmd - An extensible multilanguage static code analyzer.
LWJGL/lwjgl3 - LWJGL is a Java library that enables cross-platform access to popular native APIs useful in the development of graphics (OpenGL), audio (OpenAL) and parallel computing (OpenCL) applications.
cymcsg/UltimateAndroid - UltimateAndroid is a rapid development framework for developing your apps
AweiLoveAndroid/CommonDevKnowledge - 🔥 🌟⭐⭐⭐ ⭐ 史上最全的BAT大厂Android面试题汇集，以及常用的Android开发的一些技能点，冷门知识点汇总，开发中遇到的坑汇总等干货。
Ramotion/paper-onboarding-android - PaperOnboarding is a material design slider made by @Ramotion - https://github.com/Ramotion/android-ui-animation-components-and-libraries
testcontainers/testcontainers-java - Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.
kabouzeid/Phonograph - A material designed music player for Android
yingLanNull/ShadowImageView - 🔥可以根据图片内容变阴影颜色，更加细腻的阴影效果 It can change color according to the picture, more delicate shadow effect
twosigma/beakerx - Beaker Extensions for Jupyter Notebook
promeG/TinyPinyin - 适用于Java和Android的快速、低内存占用的汉字转拼音库。
Krupen/FabulousFilter - Android library to animate Floating Action Button to Bottom Sheet Dialog and vice-versa
steelkiwi/cropiwa - 📐 Configurable Custom Crop widget for Android
nutzam/nutz - Nutz -- Web Framework(Mvc/Ioc/Aop/Dao/Json) for ALL Java developer
coobird/thumbnailator - Thumbnailator - a thumbnail generation library for Java
Red5/red5-server - Red5 Server core
jboss-javassist/javassist - Java bytecode engineering toolkit
spotify/helios - Docker container orchestration platform
kiegroup/drools - Drools Expert is the rule engine and Drools Fusion does complex event processing (CEP).
jMonkeyEngine/jmonkeyengine - A complete 3D game development suite written purely in Java.
Yalantis/Horizon - Horizon - Simple visual equaliser for Android
szerhusenBC/jwt-spring-security-demo - A small demo for using JWT (Json Web Token) with Spring Security and Spring Boot 2
frohoff/ysoserial - A proof-of-concept tool for generating payloads that exploit unsafe Java object deserialization.
addthis/stream-lib - Stream summarizer and cardinality estimator.
Mojang/brigadier - Brigadier is a command parser & dispatcher, designed and developed for Minecraft: Java Edition.
gouthampradhan/leetcode - Leetcode solutions
ethereum/ethereumj - Java implementation of the Ethereum yellowpaper. For JSON-RPC and other client features check Ethereum Harmony
jamesdbloom/mockserver - MockServer enables easy mocking of any system you integrate with via HTTP or HTTPS with clients written in Java, JavaScript and Ruby. MockServer also includes a proxy that introspects all proxied traffic including encrypted SSL traffic and supports Port Forwarding, Web Proxying (i.e. HTTP proxy), HTTPS Tunneling Proxying (using HTTP CONNECT) and SOCKS Proxying (i.e. dynamic port forwarding).
spotify/docker-maven-plugin - A maven plugin for Docker
igniterealtime/Smack - A modular and portable open source XMPP client library written in Java for Android and Java (SE) VMs
FudanNLP/fnlp - 中文自然语言处理工具包 Toolkit for Chinese natural language processing
Froussios/Intro-To-RxJava - An extensive tutorial on RxJava
pilgr/Paper - Paper is a fast NoSQL-like storage for Java/Kotlin objects on Android with automatic schema migration support.
jOOQ/jOOR - jOOR - Fluent Reflection in Java jOOR is a very simple fluent API that gives access to your Java Class structures in a more intuitive way. The JDK's reflection APIs are hard and verbose to use. Other languages have much simpler constructs to access type meta information at runtime. Let us make Java reflection better.
Yalantis/StarWars.Android - This component implements transition animation to crumble view into tiny pieces.
TakuSemba/Spotlight - Android Library that lights items for tutorials or walk-throughs etc...
killbill/killbill - Open-Source Subscription Billing & Payment Platform
Yalantis/FlipViewPager.Draco - This project aims to provide a working page flip implementation for usage in ListView.
ninjaframework/ninja - Ninja is a full stack web framework for Java. Rock solid, fast and super productive.
jitsi/jitsi - Jitsi is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, AIM/ICQ, IRC and many other useful features.
Ramotion/cardslider-android - 🃏 Cardslider is a material design UI controller that allows you to swipe through cards with pictures and accompanying descriptions. - https://github.com/Ramotion/android-ui-animation-components-and-libraries
ZHENFENG13/My-Blog - 🌴A simple & beautiful blogging system implemented with tale & docker & springboot & thymeleaf & mybatis
timusus/Shuttle - Shuttle Music Player
brianway/webporter - 基于 webmagic 的 Java 爬虫应用
real-logic/simple-binary-encoding - Simple Binary Encoding (SBE) - High Performance Message Codec
tdebatty/java-string-similarity - Implementation of various string similarity and distance algorithms: Levenshtein, Jaro-winkler, n-Gram, Q-Gram, Jaccard index, Longest Common Subsequence edit distance, cosine similarity ...
Muddz/StyleableToast - An Android library that takes the standard toast to the next level with many styling options
hustcc/JS-Sorting-Algorithm - 一本关于排序算法的 GitBook 在线书籍《十大经典排序算法》，使用 JavaScript & Python & Go & Java 实现。
hidroh/materialistic - A material-design Hacker News Android reader
Ramotion/expanding-collection-android - ExpandingCollection is a material design card peek/pop controller. Android UI Library made by @Ramotion - https://github.com/Ramotion/android-ui-animation-components-and-libraries
liuyubobobo/Play-with-Algorithms - Codes of my MOOC Course , Both in C++ and Java language. Updated contents and practices are also included. 我在慕课网上的课程《算法与数据结构》示例代码，包括C++和Java版本。课程的更多更新内容及辅助练习也将逐步添加进这个代码仓。
igniterealtime/Openfire - A XMPP server licensed under the Open Source Apache License.
TakuSemba/MultiSnapRecyclerView - Android library for multiple snapping of RecyclerView
federicoiosue/Omni-Notes - Open source note-taking application for Android
VerbalExpressions/JavaVerbalExpressions - Java regular expressions made easy.
micronaut-projects/micronaut-core - Micronaut Application Framework
sannies/mp4parser - A Java API to read, write and create MP4 files
javamelody/javamelody - JavaMelody : monitoring of JavaEE applications
microg/android_packages_apps_GmsCore - Implementation of Play Services Core package
notnoop/java-apns - Java Apple Push Notification Service Provider
bitcoin-wallet/bitcoin-wallet - Bitcoin Wallet app for your Android device. Standalone Bitcoin node, no centralized backend required.
klinker24/talon-twitter-holo - [Deprecated] The Holo version of my popular Android Talon for Twitter app, 100% open-source
Ramotion/garland-view-android - ≡ GarlandView seamlessly transitions between multiple lists of content. Made by @Ramotion - https://github.com/Ramotion/android-ui-animation-components-and-libraries
ankidroid/Anki-Android - AnkiDroid: Anki on Android
airbnb/AirMapView - A view abstraction to provide a map user interface with various underlying map providers
traccar/traccar - Traccar GPS Tracking System
OpenHFT/Chronicle-Queue - Micro second messaging that stores everything to disk
AdoptOpenJDK/jitwatch - Log analyser / visualiser for Java HotSpot JIT compiler. Inspect inlining decisions, hot methods, bytecode, and assembly. View results in the JavaFX user interface.
liyiorg/weixin-popular - 微信SDK JAVA (公众平台、开放平台、商户平台、服务商平台)
Yalantis/Taurus - A little more fun for the pull-to-refresh interaction.
zeromq/jeromq - Pure Java ZeroMQ
eclipse/openj9 - Eclipse OpenJ9: A Java Virtual Machine for OpenJDK that's optimized for small footprint, fast start-up, and high throughput. Builds on Eclipse OMR (https://github.com/eclipse/omr) and combines with the Extensions for OpenJDK for OpenJ9 repo.
google/truth - Fluent assertions for Java
redsolution/xabber-android - Open-source XMPP client for Android
avjinder/Minimal-Todo - Material To-Do App
speedment/speedment - Speedment is a Stream ORM Java Toolkit and Runtime
line/armeria - Asynchronous RPC/REST library built on top of Java 8, Netty, HTTP/2, Thrift and gRPC
qdrzwd/VideoRecorder - android视频录制，模仿微视，支持按下录制、抬起暂停。进度条断点显示。
h2database/h2database - H2 is an embeddable RDBMS written in Java.
Athou/commafeed - Google Reader inspired self-hosted RSS reader.
liuguangqiang/SwipeBack - SwipeBack is an android library that can finish a activity by using gesture.
JSQLParser/JSqlParser - JSqlParser parses an SQL statement and translate it into a hierarchy of Java classes. The generated hierarchy can be navigated using the Visitor Pattern
OryxProject/oryx - Oryx 2: Lambda architecture on Apache Spark, Apache Kafka for real-time large scale machine learning
google/jimfs - An in-memory file system for Java 7+
deeplearning4j/nd4j - Fast, Scientific and Numerical Computing for the JVM (NDArrays)
gitblit/gitblit - pure java git solution
Kong/unirest-java - Unirest in Java: Simplified, lightweight HTTP client library.
atomashpolskiy/bt - Java BitTorrent library with DHT, magnet links, encryption and more
hamcrest/JavaHamcrest - Java (and original) version of Hamcrest
atomix/atomix - A reactive Java framework for building fault-tolerant distributed systems
mapstruct/mapstruct - An annotation processor for generating type-safe bean mappers
searchbox-io/Jest - Elasticsearch Java Rest Client.
AxonFramework/AxonFramework - Framework for Evolutionary Event-Driven Microservices on the JVM
awaitility/awaitility - Awaitility is a small Java DSL for synchronizing asynchronous operations
thymeleaf/thymeleaf - Thymeleaf is a modern server-side Java template engine for both web and standalone environments.
pac4j/pac4j - Security engine for Java (authentication, authorization, multi frameworks): OAuth, CAS, SAML, OpenID Connect, LDAP, JWT...
heinrichreimer/material-intro - A simple material design app intro with cool animations and a fluent API.
jacoco/jacoco - 🔬 JaCoCo - Java Code Coverage Library
qos-ch/logback - The reliable, generic, fast and flexible logging framework for Java.
apache/maven - Apache Maven
ruibaby/halo - Halo可能是最好的Java博客系统:wink:
biezhi/30-seconds-of-java8 - 🎱 30 seconds to collect useful Java 8 snippet.
Ramotion/circle-menu-android - ⭕️ CircleMenu is a simple, elegant UI menu with a circular layout and material design animations. Android UI library made by @Ramotion - https://github.com/Ramotion/android-ui-animation-components-and-libraries
Zhaoss/WeiXinRecordedDemo - 仿微信视频拍摄UI, 基于ffmpeg的视频录制编辑
majidgolshadi/Android-Download-Manager-Pro - Android/Java download manager library help you to download files in parallel mechanism in some chunks.
vaadin/framework - Vaadin 6, 7, 8 is a Java framework for modern web applications.
apollographql/apollo-android - 📟 A strongly-typed, caching GraphQL client for Android, written in Java
mmin18/FlexLayout - A powerful Android layout view that use java expression in layout params to describe relative positions.
Yalantis/ToDoList - Micro-Transitions for Smooth Android To-Do List Animations
eschao/android-PageFlip - 3D Style Page Flip on Android
spotify/apollo - Java libraries for writing composable microservices
xtuhcy/gecco - Easy to use lightweight web crawler（易用的轻量化网络爬虫）
j256/ormlite-android - ORMLite Android functionality used in conjunction with ormlite-core
kanwangzjm/funiture - Java并发编程与高并发解决方案：http://coding.imooc.com/class/195.html Java开发企业级权限管理系统：http://coding.imooc.com/class/149.html github: https://github.com/kanwangzjm/funiture, spring项目，权限管理、系统监控、定时任务动态调整、qps限制、sql监控(邮件)、验证码服务、短链接服务、动态配置等
sarxos/webcam-capture - The goal of this project is to allow integrated or USB-connected webcams to be accessed directly from Java. Using provided libraries users are able to read camera images and detect motion. Main project consist of several sub projects - the root one, which contains required classes, build-in webcam driver compatible with Windows, Linux and Mac OS, which can stream images as fast as your camera can serve them (up to 50 FPS). Main project can be used standalone, but user is able to replace build-in driver with different one - such as OpenIMAJ, GStreamer, V4L4j, JMF, LTI-CIVIL, FMJ, etc.
stagemonitor/stagemonitor - an open source solution to application performance monitoring for java server applications
spring-projects/spring-data-jpa - Simplifies the development of creating a JPA-based data access layer.
Yalantis/pull-to-make-soup - Custom animated pull-to-refresh that can be easily added to RecyclerView
roncoo/spring-boot-demo - Spring Boot的基础教程，由浅入深，一步一步学习Spring Boot，最后学到的不单单是基础！Spring Cloud基础教程请看：https://github.com/roncoo/spring-cloud-demo
jOOQ/jOOL - jOOλ - The Missing Parts in Java 8 jOOλ improves the JDK libraries in areas where the Expert Group's focus was elsewhere. It adds tuple support, function support, and a lot of additional functionality around sequential Streams. The JDK 8's main efforts (default methods, lambdas, and the Stream API) were focused around maintaining backwards compatibility and implementing a functional API for parallelism.
aNNiMON/Lightweight-Stream-API - Stream API from Java 8 rewritten on iterators for Java 7 and below
vdurmont/emoji-java - The missing emoji library for Java ❤️
openzipkin/brave - Java distributed tracing implementation compatible with Zipkin backend services.
EsotericSoftware/kryonet - TCP/UDP client/server library for Java, based on Kryo
geoserver/geoserver - Official GeoServer repository
kairosdb/kairosdb - Fast scalable time series database
internetarchive/heritrix3 - Heritrix is the Internet Archive's open-source, extensible, web-scale, archival-quality web crawler project.
SeldonIO/seldon-server - Machine Learning Platform and Recommendation Engine built on Kubernetes
micrometer-metrics/micrometer - An application metrics facade for the most popular monitoring tools. Think SLF4J, but for metrics.
hierynomus/sshj - ssh, scp and sftp for java
shekhargulati/java8-the-missing-tutorial - Java 8 for all of us
SundeepK/CompactCalendarView - An android library which provides a compact calendar view much like the one used in google calenders.
JsonChao/Awesome-WanAndroid - ⚡致力于打造一款极致体验的 http://www.wanandroid.com/ 客户端，知识和美是可以并存的哦QAQn(≧▽≦)n
rapidoid/rapidoid - Rapidoid - Extremely Fast, Simple and Powerful Java Web Framework and HTTP Server!
MorphiaOrg/morphia - MongoDB object-document mapper in Java based on https://github.com/mongodb/mongo-java-driver
Qihoo360/ArgusAPM - Powerful, comprehensive (Android) application performance management platform. 360线上移动性能检测平台
albertlatacz/java-repl - Read Eval Print Loop for Java
UweTrottmann/SeriesGuide - Keep track of your favorite TV shows and movies on your Android devices.
qiujuer/ImageBlurring - Android blurring image(bitmap) by java and jni.
yahoo/mysql_perf_analyzer - MySQL performance monitoring and analysis.
jtablesaw/tablesaw - Java dataframe and visualization library
fesh0r/fernflower - Unofficial mirror of FernFlower Java decompiler (All pulls should be submitted upstream)
orbit/orbit - Orbit - Virtual actor framework for building distributed systems
DozerMapper/dozer - Dozer is a Java Bean to Java Bean mapper that recursively copies data from one object to another.
spotify/dockerfile-maven - A set of Maven tools for dealing with Dockerfiles
joel-costigliola/assertj-core - AssertJ is a library providing easy to use rich typed assertions
jdeferred/jdeferred - Java Deferred/Promise library similar to JQuery.
FreeTymeKiyan/LeetCode-Sol-Res - Clean, Understandable Solutions and Resources for LeetCode Online Judge Algorithm Problems.
real-logic/agrona - High Performance data structures and utility methods for Java
wangjiegulu/WheelView - Android滚动选择控件
bravoborja/ReadMoreTextView - A Custom TextView with trim text
asLody/legend - A framework for hook java methods.
jberkel/sms-backup-plus - Backup Android SMS, MMS and call log to Gmail / Gcal / IMAP
zserge/anvil - Minimal UI library for Android inspired by React
galenframework/galen - Layout and functional testing framework for websites
boylegu/SpringBoot-vue - A example demo base SpringBooot with vueJS2.x + webpack2.x as Java full stack web practice
rubenlagus/TelegramBots - Java library to create bots using Telegram Bots API
caoxinyu/RedisClient - Java Redis Client GUI Tool
crossbario/autobahn-java - WebSocket & WAMP in Java for Android and Java 8
blipinsk/RecyclerViewHeader - Super fast and easy way to create header for Android RecyclerView
shekhargulati/strman-java - A Java 8 string manipulation library.
blynkkk/blynk-server - Blynk is an Internet of Things Platform aimed to simplify building mobile and web applications for the Internet of Things. Easily connect 400+ hardware models like Arduino, ESP8266, ESP32, Raspberry Pi and similar MCUs and drag-n-drop IOT mobile apps for iOS and Android in 5 minutes
ysc/QuestionAnsweringSystem - QuestionAnsweringSystem是一个Java实现的人机问答系统，能够自动分析问题并给出候选答案。
functionaljava/functionaljava - Functional programming in Java
greenrobot/essentials - General purpose utilities and hash functions for Android and Java (aka java-common)
Instagram/ig-json-parser - Fast JSON parser for java projects
eclipsesource/J2V8 - Java Bindings for V8
Dreampie/Resty - The minimalist framework of RESTful(server and client) - Resty
spring-cloud/spring-cloud-gateway - A Gateway built on Spring Framework 5.x and Spring Boot 2.x providing routing and more.
sirthias/pegdown - A pure-Java Markdown processor based on a parboiled PEG parser supporting a number of extensions
mixi-inc/AndroidTraining - Training course repository for android app development
docker-java/docker-java - Java Docker API Client
survivingwithandroid/Surviving-with-android - Source code related to the posts in the blog
JabRef/jabref - Graphical Java application for managing BibTeX and biblatex (.bib) databases
alibaba/jetcache - JetCache is a Java cache framework which is more convenient than Spring Cache.
TakahikoKawasaki/nv-websocket-client - High-quality WebSocket client implementation in Java.
cbeust/jcommander - Command line parsing framework for Java
jingle1267/android-utils - It contains most of the Android utility classes.
netgloo/spring-boot-samples - Spring Boot samples by Netgloo
marytts/marytts - MARY TTS -- an open-source, multilingual text-to-speech synthesis system written in pure java
cbeust/testng - TestNG testing framework
vipshop/Saturn - The vip.com's distributed job scheduling platform.
ivan-vasilev/neuralnetworks - java deep learning algorithms and deep neural networks with gpu acceleration
flyingsaucerproject/flyingsaucer - XML/XHTML and CSS 2.1 renderer in pure Java
spring-cloud/spring-cloud-config - External configuration (server and client) for Spring Cloud
qiujiayu/AutoLoadCache - AutoLoadCache 是基于AOP+Annotation等技术实现的高效的缓存管理解决方案，实现缓存与业务逻辑的解耦，并增加异步刷新及“拿来主义机制”，以适应高并发环境下的使用。
j-easy/easy-rules - The simple, stupid rules engine for Java
connectbot/connectbot - ConnectBot is the first SSH client for Android.
MEiDIK/Cipher.so - A simple way to encrypt your secure data like passwords into a native .so library.
JonathanLink/PDFLayoutTextStripper - Converts a pdf file into a text file while keeping the layout of the original pdf. Useful to extract the content from a table in a pdf file for instance. This is a subclass of PDFTextStripper class (from the Apache PDFBox library).
jdbi/jdbi - jdbi is designed to provide convenient tabular data access in Java; including templated SQL, parameterized and strongly typed queries, and Streams integration
EngineHub/WorldEdit - An in-game voxel map editor for Minecraft
drewnoakes/metadata-extractor - Extracts Exif, IPTC, XMP, ICC and other metadata from image and video files
qos-ch/slf4j - Simple Logging Facade for Java
ysc/word - Java分布式中文分词组件 - word分词
HotswapProjects/HotswapAgent - Java unlimited redefinition of classes at runtime.
zhegexiaohuozi/SeimiCrawler - 一个简单、敏捷、分布式的支持SpringBoot的Java爬虫框架;An agile, distributed crawler framework.
shopizer-ecommerce/shopizer - Shopizer java e-commerce software
spring-projects/spring-batch - Spring Batch is a framework for writing offline and batch applications using Spring and Java
wuyouzhuguli/FEBS-Shiro - Spring Boot 2.0.4 & Shiro1.4.0 权限管理系统。预览地址：http://111.230.157.133/febs
julian-klode/dns66 - DNS-based Host Blocker (and lightweight ad blocker) for Android
yaphone/itchat4j - itchat4j -- 用Java扩展个人微信号的能力
siriscac/RippleView - View that imitates Ripple Effect on click which was introduced in Android L (for Android 2.3+)
kilim/kilim - Lightweight threads for Java, with message passing, nio, http and scheduling support.
spotify/docker-client - A simple docker client for the JVM
dcevm/dcevm - Dynamic Code Evolution VM for Java 7/8
peter-lawrey/Java-Chronicle - Java Indexed Record Chronicle
JeffLi1993/java-core-learning-example - 关于Java核心技术学习积累的例子，是初学者及核心技术巩固的最佳实践。
xerial/sqlite-jdbc - SQLite JDBC Driver
RoaringBitmap/RoaringBitmap - A better compressed bitset in Java
kiegroup/optaplanner - Java Constraint Solver to solve vehicle routing, employee rostering, task assignment, conference scheduling and other planning problems.
bootique/bootique - Bootique is a minimally opinionated platform for modern runnable Java apps.
spotbugs/spotbugs - SpotBugs is FindBugs' successor. A tool for static analysis to look for bugs in Java code.
puniverse/capsule - Dead-Simple Packaging and Deployment for JVM Apps
classgraph/classgraph - An uber-fast, ultra-lightweight, parallelized Java classpath scanner, module scanner, and annotation processor.
zeapo/Android-Password-Store - Android application compatible with ZX2C4's Pass command line application
THEONE10211024/RxJavaSamples - 收集了RxJava常见的使用场景，例子简洁、经典、易懂...
bytedeco/javacpp-presets - The missing bridge between Java and native C++ libraries
nextcloud/android - 📱 Nextcloud Android app
java-json-tools/json-schema-validator - A JSON Schema validation implementation in pure Java, which aims for correctness and performance, in that order
sirthias/parboiled - Elegant parsing in Java and Scala - lightweight, easy-to-use, powerful.
awsdocs/aws-doc-sdk-examples - Code examples used in the official AWS SDK documentation.
googlemaps/google-maps-services-java - Java client library for Google Maps API Web Services
andsel/moquette - Java MQTT lightweight broker
protostuff/protostuff - Java serialization library, proto compiler, code generator
tiann/epic - Dynamic java method AOP hook for Android(continution of Dexposed on ART), Supporting 4.0~9.0
RuedigerMoeller/fast-serialization - FST: fast java serialization drop in-replacement
Sable/soot - Soot - A Java optimization framework
plutext/docx4j - JAXB-based Java library for Word docx, Powerpoint pptx, and Excel xlsx files
DiUS/java-faker - Brings the popular ruby faker gem to Java
apilayer/restcountries - Get information about countries via a RESTful API
mabe02/lanterna - Java library for creating text-based GUIs
huaban/jieba-analysis - 结巴分词(java版)
oracle/visualvm - VisualVM is an All-in-One Java Troubleshooting Tool
KronicDeth/intellij-elixir - Elixir plugin for JetBrain's IntelliJ Platform (including Rubymine)
BuildCraft/BuildCraft - BuildCraft
Netflix/genie - Distributed Big Data Orchestration Service
oracle/helidon - Java libraries for writing microservices
Grover-c13/PokeGOAPI-Java - Pokemon Go API
cmusphinx/sphinx4 - Pure Java speech recognition library
asciidocfx/AsciidocFX - Asciidoc Editor and Toolchain written with JavaFX 8 (Build PDF, Epub, Mobi and HTML books, documents and slides)
jiang111/RxJavaApp - 学习RxJava操作符的APP,新增RxJava2.x介绍
fabric8io/docker-maven-plugin - Maven plugin for running and creating Docker images
atduskgreg/opencv-processing - OpenCV for Processing. A creative coding computer vision library based on the official OpenCV Java API
alibaba/QLExpress - QLExpress is a powerful, lightweight, dynamic language for the Java platform aimed at improving developers’ productivity in different business scenes.
json-iterator/java - jsoniter (json-iterator) is fast and flexible JSON parser available in Java and Go
konsoletyper/teavm - Compiler of Java bytecode to JavaScript
aimacode/aima-java - Java implementation of algorithms from Russell And Norvig's "Artificial Intelligence - A Modern Approach"
RichardWarburton/java-8-lambdas-exercises - Exercises and Answers for Java 8 Lambdas book
menacher/java-game-server - Jetserver is a high speed nio socket based multiplayer java game server written using Netty and Mike Rettig's Jetlang.It is specifically tuned for network based multiplayer games and supports TCP and UDP network protocols.
amaembo/streamex - Enhancing Java 8 Streams
spring-cloud/spring-cloud-kubernetes - Kubernetes integration with Spring Cloud Discovery Client, Configuration, etc...
googleapis/google-cloud-java - Google Cloud Client Library for Java
datastax/java-driver - DataStax Java Driver for Apache Cassandra
syncthing/syncthing-android - Wrapper of syncthing for Android.
mpetazzoni/ttorrent - BitTorrent Java library with tracker and download client
hawtio/hawtio - Hawtio web console helps you manage your JVM stuff and stay cool!
datumbox/datumbox-framework - Datumbox is an open-source Machine Learning framework written in Java which allows the rapid development of Machine Learning and Statistical applications.
remkop/picocli - Parser library and framework to easily build JVM command line applications (Java, Groovy, Kotlin, etc). Usage help with ANSI colors. Autocomplete. Nested subcommands. Annotations and programmatic API. Easy to include as source to avoid adding dependencies.
JorenSix/TarsosDSP - A Real-Time Audio Processing Framework in Java
jknack/handlebars.java - Logic-less and semantic Mustache templates with Java
dain/leveldb - Port of LevelDB to Java
ocpsoft/prettytime - Social Style Date and Time Formatting for Java
jhipster/jhipster-sample-app - This is a sample application created with JHipster
Netflix/astyanax - Cassandra Java Client
scalad/Note - 常规Java工具，算法，加密，数据库，面试题，源代码分析，解决方案
Pi4J/pi4j - Java I/O library for Raspberry Pi (GPIO, I2C, SPI, UART)
kenglxn/QRGen - a simple QRCode generation api for java built on top ZXING
4thline/cling - UPnP/DLNA library for Java and Android
bufferapp/BufferTextInputLayout - A simple customised version of the TextInputLayout from the Android Design Support Library ⌨️
openhab/openhab2-addons - Add-ons for openHAB 2.x
RipMeApp/ripme - Downloads albums in bulk
rampatra/jbot - Make Slack and Facebook Bots in Java.
mendhak/gpslogger - 📡 Lightweight GPS Logging Application For Android. Available on the Android Market as "GPSLogger for Android"
a466350665/smart - Java单点登录权限系统，权限按钮级、修改实时生效、支持分布式
fishercoder1534/Leetcode - Complete solutions to Leetcode problems; updated daily. (I'm looking for long-term contributors/partners to this repo! Send me PRs if you're interested! - 9/5/2018)
ZHENFENG13/ssm-demo - 🍌Spring+SpringMVC+Mybatis+easyUI实现简单的后台管理系统
iTXTech/Daedalus - No root required Android DNS modifier and Hosts/DNSMasq resolver.
mercyblitz/tech-weekly - 「小马哥技术周报」
cachecats/coderiver - 致力于打造全平台全栈精品开源项目，计划做成包含 pc 端（Vue、React）、移动 H5（Vue、React）、ReactNative、Flutter、Android 原生、微信小程序、Angular、Node、java 后端的全平台型全栈项目，欢迎关注。
SpongePowered/SpongeForge - A Forge mod that implements SpongeAPI
spring-projects/spring-data-mongodb - Provide support to increase developer productivity in Java when using MongoDB. Uses familiar Spring concepts such as a template classes for core API usage and lightweight repository style data access.
jooby-project/jooby - A modular micro web framework for Java and Kotlin
bravoborja/FocusResize - A custom animation with scroll listener to recycler views
NLPchina/nlp-lang - 这个项目是一个基本包.封装了大多数nlp项目中常用工具
florent37/FiftyShadesOf - An elegant context-care loading placeholder for Android
relayrides/pushy - A Java library for sending APNs (iOS/macOS/Safari) push notifications
Gottox/socket.io-java-client - Socket.IO Client Implementation in Java
shyiko/mysql-binlog-connector-java - MySQL Binary Log connector
DWorkS/VolleyPlus - 🏐 Volley library : make everything faster . Its an improvements for Volley by Google for Android https://android.googlesource.com/platform/frameworks/volley
LogNet/grpc-spring-boot-starter - Spring Boot starter module for gRPC framework.
varunest/SparkButton - Android library to create buttons with Twitter's heart like animation.
LinShunKang/MyPerf4J - High performance Java APM. Powered by ASM.
SilenceIM/Silence - A fork of Signal with only SMS/MMS encryption.
opentracing/opentracing-java - OpenTracing API for Java
SpongePowered/SpongeAPI - A Minecraft plugin API
LeonardoZ/java-concurrency-patterns - Concurrency Patterns and features found in Java, through multithreaded programming. Threads, Locks, Atomics and more.
msgpack/msgpack-java - MessagePack serializer implementation for Java / msgpack.org[Java]
itext/itextpdf - Core Java Library + PDF/A, xtra and XML Worker
eclipse/eclipse-collections - Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.
alipay/sofa-bolt - SOFABolt is a lightweight, easy to use and high performance remoting framework based on Netty.
spring-cloud/spring-cloud-sleuth - Distributed tracing for spring cloud
hekailiang/squirrel - squirrel-foundation is a State Machine library, which provided a lightweight, easy use, type safe and programmable state machine implementation for Java.
rkalla/imgscalr - Simple Java image-scaling library implementing Chris Campbell's incremental scaling algorithm as well as Java2D's "best-practices" image-scaling techniques.
alibaba/taokeeper - ZooKeeper-Monitor, a monitor for zookeeper in java. Download https://github.com/alibaba/taokeeper/downloads
uber-common/jvm-profiler - JVM Profiler Sending Metrics to Kafka, Console Output or Custom Reporter
spring-projects/spring-data-redis - Provides support to increase developer productivity in Java when using Redis, a key-value store. Uses familiar Spring concepts such as a template classes for core API usage and lightweight repository style data access.
googleapis/google-http-java-client - Google HTTP Client Library for Java
vmihalachi/turbo-editor - Simple and powerful File Editor for Android. All is licensed under the GPLv3 license.
networknt/light-4j - A fast, lightweight and more productive microservices framework
npgall/cqengine - Ultra-fast SQL-like queries on Java collections
anitaa1990/Android-Cheat-sheet - Cheat Sheet for Android Interviews
Krupen/AutoplayVideos - Android library to auto-play/pause videos from url in recyclerview.
ihsanbal/LoggingInterceptor - An OkHttp interceptor which pretty logs request and response data. +Mock support
atlassian/commonmark-java - Java library for parsing and rendering CommonMark (Markdown)
indy256/codelibrary - 💎Collection of algorithms and data structures
flipkart-incubator/proteus - Proteus : A JSON based LayoutInflater for Android
selenide/selenide - Concise UI Tests with Java!
fengjiachun/Jupiter - Jupiter是一款性能非常不错的, 轻量级的分布式服务框架
fusesource/mqtt-client - A Java MQTT Client
aol/micro-server - Microserver is a Java 8 native, zero configuration, standards based, battle hardened library to run Java Rest Microservices via a standard Java main class. Supporting pure Microservice or Micro-monolith styles.
wikimedia/apps-android-wikipedia - 📱The official Wikipedia Android app. This is a mirror from gerrit.wikimedia.org.
jmdhappy/xxpay-master - XxPay聚合支付使用Java开发，包括spring-cloud、dubbo、spring-boot三个架构版本，已接入微信、支付宝等主流支付渠道，可直接用于生产环境
Ramotion/android-ui-animation-components-and-libraries - Android UI libraries, components and animations by @ramotion - https://github.com/Ramotion/swift-ui-animation-components-libraries
hsz/idea-gitignore - .ignore support plugin for IntelliJ IDEA
eBay/restcommander - Fast Parallel Async HTTP client as a Service to monitor and manage 10,000 web servers. (Java+Akka)
codinguser/gnucash-android - Gnucash for Android mobile companion application.
spring-projects/spring-data-book - Spring Data - The Definitive Guide - Modern Data Access for Enterprise Java Developers
find-sec-bugs/find-sec-bugs - The SpotBugs plugin for security audits of Java web applications and Android applications. (Also work with Groovy and Scala projects)
GlowstoneMC/Glowstone - A fast, customizable and compatible open source server for Minecraft: Java Edition
mitreid-connect/OpenID-Connect-Java-Spring-Server - An OpenID Connect reference implementation in Java on the Spring platform.
signalapp/libsignal-protocol-java - Signal Protocol library for Java/Android
linkedin/parseq - Asynchronous Java made easier
bugsnag/bugsnag-android - Bugsnag crash reporting for Android apps
AnySoftKeyboard/AnySoftKeyboard - Android (f/w 2.1+) on screen keyboard for multiple languages (chat https://gitter.im/AnySoftKeyboard)
patric-r/jvmtop - Java monitoring for the command-line, profiler included
good-life/PushTalk - 推聊是一个基于极光推送 (JPush) 的手机聊天系统。支持群聊与点对点聊天。当前包括 Android客户端、iOS客户端与 Java服务器端。3分钟就可以整套系统跑起来。
kalessil/phpinspectionsea - A Static Code Analyzer for PHP (a PhpStorm/Idea Plugin)
chenssy89/jutils - jutils，通用的Java工具类，主要包括基础工具类（时间、正则表达式、字符串、随机数等等），excel解析生成、word解析生成、文件操作、图片操作、敏感字、加解密等等。
aol/cyclops - An advanced, but easy to use, platform for writing functional applications in Java 8.
RodneyShag/HackerRank_solutions - HackerRank Solutions - 320 efficient solutions to HackerRank problems
dieforfree/qart4j - QR code ASCII art for java
playgameservices/android-basic-samples - Google Play game services - Android samples
youxin11544/MVP-RxJava-Hybride - This is an Android MVP model good architecture design，Which also inherited the Android architecture and HTML 5 interaction。（这是一个Android MVP模型良好的架构设计,同时也做了Android和HTML 5交互架构，用到了RxJava+Retrofit+MVP+泛型缩减mvp+模板模式+命令模式+观察者模式+管理者模式 +简单工厂模式）
rememberber/WePush - 专注批量推送的小而美的工具，目前支持：模板消息-公众号、模板消息-小程序、微信客服消息、阿里云短信、阿里大于模板短信、腾讯云短信、云片网短信
bcgit/bc-java - Bouncy Castle Java Distribution (Mirror)
nginx-clojure/nginx-clojure - Nginx module for embedding Clojure or Java or Groovy programs, typically those Ring based handlers.
Shashank02051997/FancyToast-Android - Make your native android Toasts Fancy. A library that takes the standard Android toast to the next level with a variety of styling options. Style your toast from code.
MyCollab/mycollab - An open source, free, high performance, stable and secure Java Application Business Platform of Project Management and Document
Impetus/Kundera - A JPA 2.1 compliant Polyglot Object-Datastore Mapping Library for NoSQL Datastores.Please subscribe to:
nayuki/Project-Euler-solutions - Runnable code for solving Project Euler problems in Java, Python, Mathematica, Haskell.
xujeff/tianti - java轻量级的CMS解决方案-天梯。天梯是一个用java相关技术搭建的后台CMS解决方案，用户可以结合自身业务进行相应扩展，同时提供了针对dao、service等的代码生成工具。技术选型：Spring Data JPA、Hibernate、Shiro、 Spring MVC、Layer、Mysql等。
EsotericSoftware/reflectasm - High performance Java reflection
facebookarchive/swift - An annotation-based Java library for creating Thrift serializable types and services.
tang-jie/NettyRPC - NettyRPC is high performance java rpc server base on Netty,using kryo,hessian,protostuff support message serialization.
pf4j/pf4j - Plugin Framework for Java (PF4J)
vsch/flexmark-java - CommonMark/Markdown Java parser with source level AST. CommonMark 0.28, emulation of: pegdown, kramdown, markdown.pl, MultiMarkdown. With HTML to MD, MD to PDF, MD to DOCX conversion modules.
haraldk/TwelveMonkeys - TwelveMonkeys ImageIO: Additional plug-ins and extensions for Java's ImageIO
codenameone/CodenameOne - Write once run anywhere native mobile apps using with Java 8 or Kotlin. Supports iOS (iPhone/iPad), Android, Windows (UWP) & others
xianrendzw/EasyReport - A simple and easy to use Web Report System for java.EasyReport是一个简单易用的Web报表工具(支持Hadoop,HBase及各种关系型数据库),它的主要功能是把SQL语句查询出的行列结构转换成HTML表格(Table)，并支持表格的跨行(RowSpan)与跨列(ColSpan)。同时它还支持报表Excel导出、图表显示及固定表头与左边列的功能。
ufo22940268/android-justifiedtextview - android justified textview
QuadFlask/colorpicker - color picker for android
crashub/crash - The shell for the Java Platform
lenskit/lenskit - LensKit recommender toolkit.
joscha/play-authenticate - An authentication plugin for Play Framework 2.x (Java)
h4de5ing/AndroidCommon - 基于Android系统Api封装常用工具类
eclipse/smarthome - Eclipse SmartHome™ project
jfaster/mango - Distributed ORM Framework for Java
JackJiang2011/beautyeye - BeautyEye is a Java Swing cross-platform look and feel.
litesuits/android-lite-http - LiteHttp is a simple, intelligent and flexible HTTP framework for Android. With LiteHttp you can make HTTP request with only one line of code! It could convert a java model to the parameter and rander the response JSON as a java model intelligently.
camunda/camunda-bpm-platform - Flexible framework for workflow and decision automation
sword-org/wechat4j - wechat4j is wechat(weixin) develop framework for java 微信开发框架JAVA版，最简单易用微信开发框架
inloop/AndroidViewModel - Separating data and state handling from Fragments or Activities without lots of boilerplate-code.
eclipse/paho.mqtt.java - paho.mqtt.java
googleapis/google-api-java-client - Google APIs Client Library for Java
dragonite-network/dragonite-java - A reliable application level data transport protocol based on UDP, highly optimized for lossy & unstable networks. (Java version)
stephanenicolas/toothpick - A scope tree based Dependency Injection (DI) library for Java
psi-probe/psi-probe - Advanced manager and monitor for Apache Tomcat, forked from Lambda Probe
trekawek/coffee-gb - Gameboy emulator in Java 8.
klinker24/talon-for-twitter-android - The Material Design version of my popular Android Talon for Twitter app, 100% open-source
TEAMMATES/teammates - This is the project website for the TEAMMATES feedback management tool for education
ebean-orm/ebean - Ebean ORM - ebean.io
florent37/AwesomeBar - Just beautiful
AlmasB/FXGL - Java / JavaFX / Kotlin Game Library (Engine)
afollestad/ason-deprecated - [DEPRECATED]: Prefer Moshi, Jackson, Gson, or LoganSquare
winder/Universal-G-Code-Sender - A Java based GRBL compatible cross-platform G-Code sender.
killme2008/aviator - A high performance expression evaluator for java
bennidi/mbassador - A feature-rich Java event bus optimized for high-throughput in multi-threaded environments. Sync and async event publication, weak/strong references, dynamic event filtering, annotation driven
linkedin/PalDB - An embeddable write-once key-value store written in Java
leventov/Koloboke - Java Collections till the last breadcrumb of memory and performance
DV8FromTheWorld/JDA - Java wrapper for the popular chat & VOIP service: Discord https://discordapp.com
akarnokd/RxJava2Interop - Library to convert between RxJava 1.x and 2.x reactive types, schedulers and resource handles.
UniversalMediaServer/UniversalMediaServer - A DLNA-compliant UPnP Media Server.
centic9/jgit-cookbook - Provides examples and code snippets for the JGit Java Git implementation
mercyblitz/segmentfault-lessons - Segment Fault 在线讲堂代码工程
webbit/webbit - A Java event based WebSocket and HTTP server
yahoo/egads - A Java package to automatically detect anomalies in large scale time-series data
sanluan/PublicCMS - Public CMS是采用2019年最新主流技术开发的开源JAVA CMS产品。架构科学，SEO友好，轻松支撑千万数据、千万PV；目前已经拥有全球0.002%的用户，诸多明星网站案例。提供免费版本产品、免费技术支持，为您快速建站，建设大规模站点提供强大驱动，也是企业级项目产品原型的良好选择。
polyak01/IconSwitch - 🍭 Custom Android Switch widget
hcoles/pitest - State of the art mutation testing system for the JVM
Andy671/Dachshund-Tab-Layout - Extended Android Tab Layout with animated indicators that have continuous feedback.
Netflix/hollow - Hollow is a java library and toolset for disseminating in-memory datasets from a single producer to many consumers for high performance read-only access.
magefree/mage - Magic Another Game Engine
mahmoudparsian/data-algorithms-book - MapReduce, Spark, Java, and Scala for Data Algorithms Book
oshi/oshi - Native Operating System and Hardware Information
twitter/hbc - A Java HTTP client for consuming Twitter's realtime Streaming API
zalando/intellij-swagger - A plugin to help you easily edit Swagger and OpenAPI specification files inside IntelliJ IDEA
sscarduzio/elasticsearch-readonlyrest-plugin - Free Elasticsearch security plugin and Kibana security plugin: super-easy Kibana multi-tenancy, Encryption, Authentication, Authorization, Auditing
JustinSDK/JavaSE6Tutorial - Java SE 6 技術手冊
i2p/i2p.i2p - I2P is an anonymizing network, offering a simple layer that identity-sensitive applications can use to securely communicate. All data is wrapped with several layers of encryption, and the network is both distributed and dynamic, with no trusted parties. This is a mirror of the official Monotone repository.
mcxiaoke/Android-Next - Android Next 公共组件库
Smith-Cruise/Spring-Boot-Shiro - Shiro基于SpringBoot +JWT搭建简单的restful服务
apache/servicecomb-java-chassis - ServiceComb Java Chassis is a Software Development Kit (SDK) for rapid development of microservices in Java, providing service registration, service discovery, dynamic routing, and service management features
graphhopper/jsprit - jsprit is a java based, open source toolkit for solving rich vehicle routing problems
abel533/ECharts - 这是一个针对ECharts2.x版本的Java类库，实现了所有ECharts中的Json结构对应的Java对象，并且可以很方便的创建Option,Series等
michelelacorte/SwipeableCard - A simple implementation of swipe card like StreetView
sd4324530/fastweixin - 极其方便的实现微信公众平台服务端开发，2行代码完成服务器绑定，3行代码实现用户消息监听
Cuieney/kotlin-life - App界的一股清流音视频vr应有尽有完全按照Material design规范设计的App （written with java and Kotlin）
jbake-org/jbake - Java based open source static site/blog generator for developers & designers.
prometheus/client_java - Prometheus instrumentation library for JVM applications
blipinsk/FlippableStackView - An Android library introducing a stack of Views with the first item being flippable.
bigmeow/JWT - webapp用户身份认证方案 JSON WEB TOKEN 实现Deme示例，Java版
dboissier/mongo4idea - MongoDB integration in Intellij
komoot/photon - an open source geocoder for openstreetmap data
devnied/EMV-NFC-Paycard-Enrollment - A Java library used to read and extract data from NFC EMV credit cards (Android/PCSC).
tony19/logback-android - The reliable, generic, fast and flexible logging framework for Android
shekhargulati/30-seconds-of-java - Curated collection of useful little Java functions that you can understand quickly
bonigarcia/webdrivermanager - Automatic management of Selenium WebDriver binaries
mpatric/mp3agic - A java library for reading mp3 files and reading / manipulating the ID3 tags (ID3v1 and ID3v2.2 through ID3v2.4).
jbloch/effective-java-3e-source-code - The source code from the third edition of Effective Java, with minor additions as necessary to make it runnable.
airlift/airline - Java annotation-based framework for parsing Git like command line structures
OpenHFT/Java-Thread-Affinity - Bind a java thread to a given core
knowm/XChart - XChart is a light-weight Java library for plotting data.
cincheo/jsweet - A Java to JavaScript transpiler.
jamesagnew/hapi-fhir - HAPI FHIR - Java API for HL7 FHIR Clients and Servers
eBay/parallec - Fast Parallel Async HTTP/SSH/TCP/UDP/Ping Client Java Library. Aggregate 100,000 APIs & send anywhere in 20 lines of code. Ping/HTTP Calls 8000 servers in 12 seconds. (Akka) www.parallec.io
twitter/twitter-kit-android - Twitter Kit for Android
schemaspy/schemaspy - SchemaSpy code home
chatopera/cosin - 🌲 春松客服: 全渠道智能客服
pentaho/mondrian - Mondrian is an Online Analytical Processing (OLAP) server that enables business users to analyze large quantities of data in real-time.
firebase/firebase-android-sdk - Firebase Android SDK
webx/citrus - Java-based Web Framework for Alibaba Group
stealthcopter/AndroidNetworkTools - Set of useful android network tools
rsocket/rsocket-java - Java implementation of RSocket
bazaarvoice/jolt - JSON to JSON transformation library written in Java.
awslabs/aws-sdk-android-samples - This repository has samples that demonstrate various aspects of the AWS SDK for Android, you can get the SDK source on Github https://github.com/aws-amplify/aws-sdk-android/
inferred/FreeBuilder - Automatic generation of the Builder pattern for Java
tomoya92/pybbs - Better use of Java development community (forum) Document: https://tomoya92.github.io/pybbs/#/zh-cn/
mitre/HTTP-Proxy-Servlet - Smiley's HTTP Proxy implemented as a Java servlet
davidmoten/rtree - Immutable in-memory R-tree and R*-tree implementations in Java with reactive api
amzn/ion-java - Java streaming parser/serializer for Ion.
google/re2j - linear time regular expression matching in Java
rabbitmq/rabbitmq-java-client - RabbitMQ Java client
kwhat/jnativehook - Global keyboard and mouse listeners for Java.
neoremind/fluent-validator - A Java validation framework leveraging fluent interface style and JSR 303 specification
jbox2d/jbox2d - a 2d Java physics engine, native java port of the C++ physics engines Box2D and LiquidFun
benoit-dumas/OpenRTS - Real-Time Strategy game 3D engine coded in pure java
AsamK/signal-cli - signal-cli (formerly textsecure-cli) provides a commandline and dbus interface for signalapp/libsignal-service-java
happyfish100/fastdfs-client-java - FastDFS java client SDK
ajanata/PretendYoureXyzzy - A web clone of the card game Cards Against Humanity.
pippo-java/pippo - Micro Java Web Framework
Manabu-GT/EtsyBlur - EtsyBlur is an Android library that allows developers to easily add a glass-like blur effect implemented in the Etsy app.
rakam-io/rakam - 📈 An analytics platform that makes easy to create custom analytics services
Martin404/PayMap - Java后端实现三方支付集成支付宝（国内、国际、移动端、PC端）、微信、银联（acp、upop）、光大（网关、网页）、邮政支付
PebbleTemplates/pebble - Java Template Engine
Dromara/soul - 这是一个Java高性能API-Gateway
tlaplus/tlaplus - TLC is an explicit state model checker for specifications written in TLA+. The TLA+Toolbox is an IDE for TLA+.
Haehnchen/idea-php-symfony2-plugin - IntelliJ IDEA / PhpStorm Symfony Plugin
egzosn/pay-java-parent - 全能支付Java开发工具包.优雅的轻量级支付模块集成支付对接支付整合（微信支付,支付宝,银联,友店,富友,跨境支付payoneer皮卡,paypal）app,扫码,即时到帐刷卡付条码付转账服务商模式、支持多种支付类型多支付账户，支付与业务完全剥离，简单几行代码即可实现支付，简单快速完成支付模块的开发，可轻松嵌入到任何系统里目前仅是一个开发工具包（即SDK），只提供简单Web实现，建议使用maven或gradle引用本项目即可使用本SDK提供的各种支付相关的功能
ulisesbocchio/jasypt-spring-boot - Jasypt integration for Spring boot
Yalantis/CameraModule - Simple camera module for android applications
hyperledger/fabric-sdk-java - Read-only mirror of https://gerrit.hyperledger.org/r/#/admin/projects/fabric-sdk-java
vinaygaba/CreditCardView - CreditCardView is an Android library that allows developers to create the UI which replicates an actual Credit Card.
INRIA/spoon - Spoon is a library to analyze, transform, rewrite, transpile Java source code (incl Java 9 & Java 10). It parses source files to build a well-designed AST with powerful analysis and transformation API. Made at Inria with ❤️, 🍻 and ✨.
schemacrawler/SchemaCrawler - Free database schema discovery and comprehension tool
mgarin/weblaf - WebLaF - Java Look and Feel library for cross-platform Swing applications
libgdx/gdx-ai - Artificial Intelligence framework for games based on libGDX or not. Features: Steering Behaviors, Formation Motion, Pathfinding, Behavior Trees and Finite State Machines
FluentLenium/FluentLenium - FluentLenium is a website automation framework which extends Selenium to write reliable and resilient UI functional tests. This framework is React ready. Written and maintained by people who are automating browser-based tests on a daily basis.
fabric8io/kubernetes-client - Java client for Kubernetes & OpenShift 3
mimno/Mallet - MALLET is a Java-based package for statistical natural language processing, document classification, clustering, topic modeling, information extraction, and other machine learning applications to text.
mapsforge/mapsforge - Vector map library and writer - running on Android and Desktop.
mcxiaoke/minicat - 蘑菇饭App（已停止更新）
RohitAwate/Everest - A beautiful, cross-platform REST client.
sleuthkit/autopsy - Autopsy® is a digital forensics platform and graphical interface to The Sleuth Kit® and other digital forensics tools. It can be used by law enforcement, military, and corporate examiners to investigate what happened on a computer. You can even use it to recover photos from your camera's memory card.
b3log/latke - 🌀 一款以 JSON 为主的 Java Web 框架。
spotify/heroic - The Heroic Time Series Database
nayuki/QR-Code-generator - High-quality QR Code generator library in Java, JavaScript, Python, C++, C, Rust, TypeScript.
write2munish/Akka-Essentials - Java/Scala Examples from the book - Akka Essentials
gravitee-io/gravitee-gateway - Gravitee.io - API Management - Gateway
youseries/ureport - UReport2 is a high-performance pure Java report engine based on Spring architecture, where complex Chinese-style statements and reports can be prepared by iterating over cells.
xiaomoinfo/SpringBootUnity - rabbitmq、redis、scheduled、socket、mongodb、Swagger2、spring data jpa、Thymeleaf、freemarker等 (多模块spring boot项目) (使用spring boot 做底层构架，在不同的应用场景下搭配不同的技术构建项目。)
pires/android-obd-reader - Android OBD-II Reader application that uses pure OBD-II PID's Java API.
MachinePublishers/jBrowserDriver - A programmable, embeddable web browser driver compatible with the Selenium WebDriver spec -- headless, WebKit-based, pure Java
mrdear/JavaWEB - JavaWEB学习之中的一些Demo(废弃)
ernestoyaquello/VerticalStepperForm - Vertical Stepper Form Library for Android. It follows Google Material Design guidelines.
anupcowkur/Reservoir - Android library to easily serialize and cache your objects to disk using key/value pairs.
javaee/glassfish - The Open Source Java EE Reference Implementation
owntracks/android - OwnTracks Android App
briandilley/jsonrpc4j - JSON-RPC for Java
airsonic/airsonic - 📡 ☁️ 🎶Airsonic, a Free and Open Source community driven media server (fork of Subsonic and Libresonic)
gaopu/Java - 一些用Java写的小东西（没什么用，大家不要star了😄）
vigna/fastutil - fastutil extends the Java™ Collections Framework by providing type-specific maps, sets, lists and queues.
foxinmy/weixin4j - (微信开发工具包)weixin sdk for Java
gwhalin/Memcached-Java-Client - Information about this project lives on the wiki
tomergoldst/tooltips - Simple to use library for android, enabling to add a tooltip near any view with ease
twitter/Serial - Light-weight, fast framework for object serialization in Java, with Android support.
advantageous/qbit - The Java microservice lib. QBit is a reactive programming lib for building microservices - JSON, HTTP, WebSocket, and REST. QBit uses reactive programming to build elastic REST, and WebSockets based cloud friendly, web services. SOA evolved for mobile and cloud. ServiceDiscovery, Health, reactive StatService, events, Java idiomatic reactive programming for Microservices.
vladmihalcea/flexy-pool - FlexyPool adds metrics and failover strategies to a given Connection Pool, allowing it to resize on demand.
borball/weixin-sdk - 微信公众平台(订阅号、服务号、企业号、小程序)、微信开放平台和微信支付 Java SDK
alexa/alexa-skills-kit-sdk-for-java - The Alexa Skills Kit SDK for Java helps you get a skill up and running quickly, letting you focus on skill logic instead of boilerplate code.
xerial/snappy-java - Snappy compressor/decompressor for Java
wycm/zhihu-crawler - zhihu-crawler是一个基于Java的爬虫实战项目
lionsoul2014/jcseg - Jcseg is a light weight NLP framework developed with Java. Provide CJK and English segmentation based on MMSEG algorithm, With also keywords extraction, key sentence extraction, summary extraction implemented based on TEXTRANK algorithm. Jcseg had a build-in http server and modules for the latest lucene,solr,elasticsearch
0opslab/opslabJutil - Java utils
diwi/PixelFlow - A Processing/Java library for high performance GPU-Computing (GLSL). Fluid Simulation + SoftBody Dynamics + Optical Flow + Rendering + Image Processing + Particle Systems + Physics +...
awslabs/aws-serverless-java-container - A Java wrapper to run Spring, Jersey, Spark, and other apps inside AWS Lambda.
payara/Payara - Payara Server is an open source middleware platform that supports reliable and secure deployments of Java EE (Jakarta EE) applications in any environment: on premise, in the cloud or hybrid.
javalite/activejdbc - ActiveJDBC is a fast and lean Java ORM
la-team/light-admin - [PoC] Pluggable CRUD UI library for Java web applications
jwpttcg66/NettyGameServer - 使用netty4.X实现的手机游戏服务器,支持tcp,udp,http,websocket链接，采用protobuf自定义协议栈进行网络通信,支持rpc远程调用,使用mybatis3支持db存储分库分表，支持异步mysql存储，db保存时同步更新reids缓存。使用ExcelToCode工程，将excel数据生成java类和json数据字典，DictService直接读取json，减少数据字典部分代码。使用game-executor工程，增加游戏内的异步事件全局服务, 支持事件sharding,均衡的异步执行事件逻辑
killme2008/xmemcached - High performance, easy to use multithreaded memcached client in java.
hsiafan/apk-parser - Apk parser for java
OfficeDev/ews-java-api - A java client library to access Exchange web services. The API works against Office 365 Exchange Online as well as on premises Exchange.
appium/java-client - Java language binding for writing Appium Tests, conforms to Mobile JSON Wire & W3C Webdriver Protocol
neuland/jade4j - a jade implementation written in Java
psiegman/epublib - a java library for reading and writing epub files
pholser/junit-quickcheck - Property-based testing, JUnit-style
spring-projects/spring-roo - Spring Roo is a next-generation rapid application development tool for Java developers. It focuses on higher productivity, stock-standard Java APIs, high usability, avoiding engineering trade-offs and facilitating easy Roo removal.
sixt/ja-micro - Lightweight framework for building java microservices
influxdata/influxdb-java - Java client for InfluxDB
casbin/jcasbin - An authorization library that supports access control models like ACL, RBAC, ABAC in Java
udacity/ud867 - Course code repository for Gradle for Android and Java
tozny/java-aes-crypto - A simple Android class for encrypting & decrypting strings, aiming to avoid the classic mistakes that most such classes suffer from.
spring-projects/spring-data-rest - Simplifies building hypermedia-driven REST web services on top of Spring Data repositories
benas/random-beans - Because life is too short to generate random Java beans by hand..
kungfoo/geohash-java - Implementation of GeoHashes in java. We try to be/stay compliant to the spec, as far as possible.
JThink/SkyEye - 对java、scala等运行于jvm的程序进行实时日志采集、索引和可视化，对系统进行进程级别的监控，对系统内部的操作进行策略性的报警、对分布式的rpc调用进行trace跟踪以便于进行性能分析
FXMisc/RichTextFX - Rich-text area for JavaFX
akaita/RxJava2Debug - RxJava 2.x extension to provide meaningful Stack Traces
heinrichreimer/material-drawer - Custom drawer implementation for Material design apps.
fusesource/jansi - Jansi is a small java library that allows you to use ANSI escape sequences to format your console output which works even on windows.
nicoulaj/idea-markdown - Markdown language support for IntelliJ IDEA (abandonned).
TNG/ArchUnit - A Java architecture test library, to specify and assert architecture rules in plain Java
spring-projects/spring-statemachine - Spring Statemachine is a framework for application developers to use state machine concepts with Spring.
lz4/lz4-java - LZ4 compression for Java
torakiki/pdfsam - PDFsam, a desktop application to extract pages, split, merge, mix and rotate PDF files
jnr/jnr-ffi - Java Abstracted Foreign Function Layer
robohorse/RoboPOJOGenerator - IntelliJ IDEA/Android studio plugin: Json to Java and Kotlin POJO (GSON, Logan Square, Jackson, FastJSON, AutoValue, Moshi)
uniVocity/univocity-parsers - uniVocity-parsers is a suite of extremely fast and reliable parsers for Java. It provides a consistent interface for handling different file formats, and a solid framework for the development of new parsers.
rumboalla/apkupdater - APKUpdater is a tool that simplifies the process of finding updates for your installed apps.
cuba-platform/cuba - CUBA Platform is a high level framework for enterprise applications development
nguyenq/tess4j - Java JNA wrapper for Tesseract OCR API
youseries/urule - URULE是一款基于RETE算法的纯Java规则引擎，提供规则集、决策表、决策树、评分卡，规则流等各种规则表现工具及基于网页的可视化设计器，可快速开发出各种复杂业务规则。
javafx-maven-plugin/javafx-maven-plugin - Maven plugin for JavaFX
restlet/restlet-framework-java - Leading REST API framework for Java
fookwood/Launcher3 - [不再维护啦]更改官方的Launcher3使得可以在Android Studio编译
ralfstx/minimal-json - A fast and small JSON parser and writer for Java
jshiell/checkstyle-idea - CheckStyle plug-in for IntelliJ IDEA
hibernate/hibernate-validator - Hibernate Validator - Bean Validation 2.0 (JSR 380) Reference Implementation
tabulapdf/tabula-java - Extract tables from PDF files
xuxueli/xxl-api - A api management platform.（API管理平台XXL-API）
ron190/jsql-injection - jSQL Injection is a Java application for automatic SQL database injection.
restfb/restfb - RestFB is a simple and flexible Facebook Graph API client written in Java.
xuxueli/xxl-sso - A distributed single-sign-on framework.（分布式单点登录框架XXL-SSO）
pedroSG94/rtmp-rtsp-stream-client-java - Library to stream in rtmp and rtsp for Android. All code in Java
saysky/ForestBlog - 一个简单漂亮的SSM(Spring+SpringMVC+Mybatis)博客系统
Peergos/Peergos - A decentralised, secure file storage and social network
imageprocessor/cv4j - The target is to set up a high quality and real-time image process and machine learning library which is implemented in pure java. The framework can run application on java desktop and android platform.
HITGIF/TextFieldBoxes - Material Design text field that comes in a box, based on (OLD) Google Material Design guidelines.
caprica/vlcj - Java framework for the vlc media player
square/pollexor - Java client for the Thumbor image service which allows you to build URIs in an expressive fashion using a fluent API.
matyb/java-koans - A framework and lessons to learn java syntax and idioms in a logical sequence.
biezhi/learn-java8 - 💖《跟上 Java 8》视频课程源码
javahongxi/whatsmars - Java生态研究(Spring Boot + Redis + Dubbo + RocketMQ + Elasticsearch)🔥🔥🔥🔥🔥
hluhovskyi/HoldingButton - Button which is visible while user holds it. Main use case is controlling audio recording state (like in Telegram, Viber, VK).
tuskyapp/Tusky - An Android client for the microblogging server Mastodon
jaredsburrows/android-gradle-java-app-template - Gradle + Android Studio + Robolectric + Espresso + Mockito + EasyMock/PowerMock + JaCoCo
firebase/geofire-java - GeoFire for Java - Realtime location queries with Firebase
carrotsearch/hppc - High Performance Primitive Collections for Java
aliyun/aliyun-openapi-java-sdk - Alibaba Cloud SDK for Java.
SQiShER/java-object-diff - Library to diff and merge Java objects with ease
diffplug/spotless - Keep your code spotless
samskivert/jmustache - A Java implementation of the Mustache templating language.
kaitoy/pcap4j - A Java library for capturing, crafting, and sending packets.
JaceyRx/Examination_System - 一个简单的教务查询系统（主要技术SpringMVC + Spring + Mybatis + Shiro + Bootstrap）
paoding-code/paoding-rose - paoding-rose 提供最好用的Java Web应用整体性框架。
bartdag/py4j - Py4J enables Python programs to dynamically access arbitrary Java objects
vickychijwani/quill - 👻 [MOVED TO https://github.com/TryGhost/Ghost-Android] The beautiful Android app for your Ghost blog.
InstantWebP2P/node-android - Run Node.js on Android by rewrite Node.js in Java
gitskarios/Gitskarios - GitHub Android application
DataSketches/sketches-core - Core Java Sketch Library.
libgdx/ashley - A Java entity system inspired by Ash & Artemis.
dadoonet/fscrawler - Elasticsearch File System Crawler (FS Crawler)
linkedin/URL-Detector - A Java library to detect and normalize URLs in text
opensourceBIM/BIMserver - The open source BIMserver.org platform
bramp/ffmpeg-cli-wrapper - Java wrapper around the FFmpeg command line tool
locationtech/spatial4j - LocationTech Spatial4j: A Geospatial Library for Java
liuyubobobo/Play-with-Data-Structures - Codes of my MOOC Course . Updated contents and practices are also included. 我在慕课网上的课程《Java语言玩转数据结构》示例代码。课程的更多更新内容及辅助练习也将逐步添加进这个代码仓。
CarpenterLee/JavaLambdaInternals - 深入理解Java函数式编程和Streams API
aws-amplify/aws-sdk-android - AWS SDK for Android. For more information, see our web site:
mttkay/signpost - A light-weight client-side OAuth library for Java
waylau/netty-4-user-guide-demos - Demos of Netty 4.x User Guide 《Netty 4.x 用户指南》中文翻译，文中用到的例子源码
rsksmart/rskj - RSKj is a Java implementation of the RSK protocol.
larsga/Duke - Duke is a fast and flexible deduplication engine written in Java
bluejoe2008/openwebflow - 基于Activiti的工作流引擎扩展，接管了Activiti对活动权限以及用户表的管理，并提供了催办、代办、加签（包括前加签/后加签）、自由跳转、分裂节点等功能
Countly/countly-sdk-android - Countly Product Analytics Android SDK
simplenlg/simplenlg - Java API for Natural Language Generation. Originally developed by Ehud Reiter at the University of Aberdeen’s Department of Computing Science and co-founder of Arria NLG. This git repo is the official SimpleNLG version.
glowroot/glowroot - Easy to use, very low overhead, Java APM
flutter/flutter-intellij - Flutter makes it easy and fast to build beautiful mobile apps.
xinghongfei/Hello-RxJava - 可能是学习Rxjava最好的教程之一，另一个是《给Android开发者RxJava的详解》，这个毫无疑问。
GoodieBag/Pinview - A pinview library for android. ✨
wsieroci/audio-recognizer - Shazam in Java
google-ar/sceneform-android-sdk - Sceneform SDK for Android
square/gifencoder - A pure Java library implementing the GIF89a specification. Suitable for use on Android.
google/caliper - Micro-benchmarking library for Java
Suleiman19/Android-Material-Design-for-pre-Lollipop - Various UI implementations, animations & effects based on Material Design compatible with pre Lollipop devices as well. (Work in progess)
structurizr/java - Structurizr for Java
Sayi/poi-tl - Word模板引擎
JetBrains/xodus - JetBrains Xodus is a Java transactional schema-less embedded database used by JetBrains YouTrack and JetBrains Hub.
electronicarts/ea-async - EA Async implements async-await methods in the JVM.
scottyab/AESCrypt-Android - Simple API to perform AES encryption on Android. This is the Android counterpart to the AESCrypt library Ruby and Obj-C (with the same weak security defaults :( ) created by Gurpartap Singh. https://github.com/Gurpartap/aescrypt
hrldcpr/pcollections - A Persistent Java Collections Library
zeromq/jzmq - Java binding for ZeroMQ
guardianproject/android-ffmpeg-java - Android Java wrapper around ffmpeg command line binary
spring-projects/spring-data-neo4j - Provides support to increase developer productivity in Java when using the neo4j graph database. Uses familiar Spring concepts such as a template classes for core API usage and provides an annotation based programming model using AspectJ
andytill/erlyberly - erlang tracing for the masses
palatable/lambda - Functional patterns for Java
mattia-battiston/clean-architecture-example - Clean Architecture Example (Java): Example of what clean architecture would look like (in Java)
ps3mediaserver/ps3mediaserver - PS3 Media Server is a cross-platform DLNA-compliant UPnP Media Server. Originally written to support the PlayStation 3, PS3 Media Server has been expanded to support a range of other media renderers, including smartphones, televisions, music players and more.
openmessaging/openmessaging-java - OpenMessaging Runtime Interface for Java
my2iu/Jinq - LINQ-style queries for Java 8
bobbylight/RSyntaxTextArea - A syntax highlighting, code folding text editor for Java Swing applications.
bguerout/jongo - Query in Java as in Mongo shell
allwefantasy/ServiceFramework - Java MVC framework, agile, fast, rich domain model, made especially for server side of mobile application (一个敏捷，快速，富领域模型的Java MVC 框架，专为移动应用后端量身定做)
Angads25/android-filepicker - Selecting directories/files made a lot easier.
alipay/sofa-ark - SOFAArk is a light-weight，java based classloader isolation framework.
watson-developer-cloud/java-sdk - 🥇 Java SDK to use the IBM Watson services.
gardncl/elements-of-programming-interviews - Method stubs and test cases for the problems from Elements of Programming Interviews
FuZhucheng/SSM - J2EE项目系列（四）–SSM框架构建积分系统和基本商品检索系统（Spring+SpringMVC+MyBatis+Lucene+Redis+MAVEN）
actframework/actframework - An easy to use Java MVC server stack
10cella/hashids-java - Hashids algorithm v1.0.0 implementation in Java
hmkcode/Java - Java related code
facebook/nailgun - Nailgun is a client, protocol, and server for running Java programs from the command line without incurring the JVM startup overhead.
aliyun/aliyun-oss-java-sdk - Aliyun OSS SDK for Java
youlookwhat/DesignPattern - Java 设计模式归纳 (观察者、工厂、单例、策略、适配器、命令、装饰者、外观、模板方法、状态).
SoftInstigate/restheart - RESTHeart, the REST API Server for MongoDB
EdwardRaff/JSAT - Java Statistical Analysis Tool, a Java library for Machine Learning
Devskiller/jfairy - Java fake data generator
MewX/light-novel-library_Wenku8_Android - [BEING MAINTAINED SLOWLY] 轻小说文库(Wenku8)安卓版第三方公益App，始于2014年的Material Design风格、无广告、不盈利的轻小说阅读器(light novel reader)。 P.S. 下一代阅读器—— Project PRPR！已在设计中！欢迎关注以及建议！已获取一份wenku8数据，考虑小范围维护。
ff4j/ff4j - Feature Flags for Java made easy
marhan/effective-java-examples - Source code to the book "Effective Java Second Edition" created by Joshua Bloch
arun-gupta/microservices - Java EE and Microservices
google/conscrypt - Conscrypt is a Java Security Provider that implements parts of the Java Cryptography Extension and Java Secure Socket Extension.
ddf/Minim - A Java audio library, designed to be used with Processing.
wwadge/bonecp - BoneCP is a Java JDBC connection pool implementation that is tuned for high performance by minimizing lock contention to give greater throughput for your applications. It beats older connection pools such as C3P0 and DBCP but SHOULD NOW BE CONSIDERED DEPRECATED in favour of HikariCP.
redhat-developer-demos/istio-tutorial - Istio Tutorial for Java Microservices
basteez/AndroidDrawableFactory - A Java Application to create appropriate Drawable resources for your Android application
kohsuke/github-api - Java API for GitHub
gresrun/jesque - An implementation of Resque in Java.
apereo/java-cas-client - Apereo Java CAS Client
binarywang/weixin-java-mp-demo-springboot - 基于Spring Boot 和 WxJava 实现的微信公众号Java后端Demo，支持多公众号
Yalantis/Context-Menu.Android - You can easily add awesome animated context menu to your app.
jhalterman/failsafe - Failure handling and resilience patterns for Java 8+
graphhopper/graphhopper - An open source route planning library and server using OpenStreetMap.
dooboolab/react-native-iap - react-native native module for In App Purchase.
boonproject/boon - Simple opinionated Java for the novice to expert level Java Programmer. Low Ceremony. High Productivity.
JpressProjects/jpress - 一个类似WordPress的开源软件，使用 java开发。
FolioReader/FolioReader-Android - A Java ePub reader and parser framework for Android.
sk89q/WorldEdit - An in-game voxel map editor for Minecraft
anshooarora/extentreports-java - Community version of Extent API for Java.
googlearchive/tango-examples-java - Example projects for Project Tango [deprecated] Java API
prefuse/Prefuse - Prefuse is a set of software tools for creating rich interactive data visualizations in the Java programming language. Prefuse supports a rich set of features for data modeling, visualization, and interaction. It provides optimized data structures for tables, graphs, and trees, a host of layout and visual encoding techniques, and support for animation, dynamic queries, integrated search, and database connectivity.
NLPchina/Word2VEC_java - word2vec java版本的一个实现
novoda/spikes - Where ideas & concepts are born & incubated
Netflix/denominator - Portably control DNS clouds using java or bash
hugeterry/PloyFun - LowPoly image processing./导入图片生成Low Poly风格图片的app
togglz/togglz - Feature Flags for the Java platform
klinker24/Android-3DTouch-PeekView - Simple and powerful library to emulate iOS's "3D Touch" preview functionality on Android.
atomix/copycat - A novel implementation of the Raft consensus algorithm
akarnokd/RxJava2Extensions - RxJava 2.x extra sources, operators and components and ports of many 1.x companion libraries.
skavanagh/KeyBox - KeyBox is a web-based SSH console that centrally manages administrative access to systems. Web-based administration is combined with management and distribution of user's public SSH keys.
spullara/mustache.java - Implementation of mustache.js for Java
ThinkpadNC5/MyPerf4J - High performance Java APM. Powered by ASM.
banq/jdonframework - DDD CQRS EventSourcing framework for Java
chiragjain/Emoticons-Keyboard - A custom keyboard for emoticons for android chatting application
FastBootWeixin/FastBootWeixin - 基于Spring Boot的注解驱动式公众号极速开发框架，用注解重新定义公众号开发
stevensouza/automon - Automon combines the power of AOP (AspectJ) with monitoring or logging tools you already use to declaratively monitor your Java code, the JDK, and 3rd party libraries.
niranjan94/show-java - An apk decompiler for android.
JakeWharton/flip-tables - Because pretty-printing text tables in Java should be easy.
freecats/TextViewExpandableAnimation - Expandable TextView With Smooth Transition Animation
hypertrack/hyperlog-android - Utility logger library for storing logs into database and push them to remote server for debugging
HarinTrivedi/FABRevealMenu-master - A general purpose android UI library to show a user show menu in accordance of Floating action button with material design guidelines.
opensagres/xdocreport - XDocReport means XML Document reporting. It's Java API to merge XML document created with MS Office (docx) or OpenOffice (odt), LibreOffice (odt) with a Java model to generate report and convert it if you need to another format (PDF, XHTML...).
cyfonly/FLogger - 基于双缓冲队列、多刷盘机制的超轻量级 java 日志
anthonycr/Grant - Simplifying Android Permissions
apache/incubator-servicecomb-java-chassis - ServiceComb Java Chassis is a Software Development Kit (SDK) for rapid development of microservices in Java, providing service registration, service discovery, dynamic routing, and service management features
aws/aws-sdk-android - AWS Mobile SDK for Android. For more information, see our web site:
codechimp-org/AppRater - AppRater Library for Android
grandstaish/paperparcel - Auto-generate the fastest possible Parcelable implementations for Java and Kotlin
caplogic/Mappedbus - A library for low latency IPC between multiple Java processes/JVMs. http://mappedbus.io
LWJGL/lwjgl - [LEGACY] LWJGL 2.X - The Lightweight Java Game Library.
ftomassetti/effectivejava - Run queries on your Java code to check if it meets the criteria suggested by the book Effective Java. And some others.
dustin/java-memcached-client - A simple, asynchronous, single-threaded memcached client written in java.
lessthanoptimal/BoofCV - Fast computer vision library written entirely in Java.
jbellis/jamm - Java Agent for Memory Measurements
florent37/RxRetroJsoup - A simple API-like from html website (scrapper) for Android, RxJava2 ready !
pubnub/java - PubNub Java-based APIs for core Java, Android
CognitiveJ/cognitivej - Cognitive Image Analysis for Java
DigitalPebble/storm-crawler - Web crawler SDK based on Apache Storm
aol/cyclops-react - An advanced, but easy to use, platform for writing functional applications in Java 8
careermonk/DataStructureAndAlgorithmsMadeEasyInJava - Data Structure And Algorithms Made Easy In Java
handsomezhou/PinyinSearchLibrary - Provide data analysis methods, data matching method and so on for T9 pinyin search and Qwerty pinyin search in Java. The project demonstrates contacts search and app search on android.
alexzaitsev/freepager - ViewPagers library for Android
GoogleCloudPlatform/google-cloud-java - Google Cloud Client Library for Java
codeborne/selenide - Concise UI Tests with Java!
Sixt/ja-micro - Lightweight framework for building java microservices
JoaoMotondon/RxJavaDemoApp - This repository contains 100+ examples using RxJava for Android
daniel-cottone/Cerberus - A demonstration of a completely stateless and RESTful token-based authorization system using JSON Web Tokens (JWT) and Spring Security.
rometools/rome - Java library for RSS and Atom feeds
giltene/jHiccup - jHiccup is a non-intrusive instrumentation tool that logs and records
ewolff/microservice - Sample of a Microservice setup for my book. Based on Spring Cloud / Netflix / Java / Docker / Docker Compose / Docker Machine / Vagrant
eclipse/vert.x - Vert.x is a tool-kit for building reactive applications on the JVM
Snailclimb/Java-Guide - A core knowledge that most Java programmers need to master
TommyLemon/APIJSON - 🚀后端接口和文档自动化，前端(客户端) 定制返回JSON的数据和结构！
wonderkiln/BlurKit-Android - The missing Android blurring library. Fast blur-behind layout that parallels iOS.
mongodb/morphia - MongoDB object-document mapper in Java based on https://github.com/mongodb/mongo-java-driver
google/google-http-java-client - Google HTTP Client Library for Java
google/google-api-java-client - Google APIs Client Library for Java
wuyouzhuguli/FEBS - Spring Boot 2.0.4 & Shiro1.4.0 权限管理系统。预览地址：http://111.230.157.133/febs
jiecao-fm/hashids-java - Hashids algorithm v1.0.0 implementation in Java
zheludkovm/LinuxJavaFixes - LinuxJavaFixes
yegor256/takes - True Object-Oriented Java Web Framework
apache/isis - Apache Isis™ software is a framework for rapidly developing domain-driven apps in Java. Write your business logic in entities, domain services or view models, and the framework dynamically generates a representation of that domain model as a webapp or as a RESTful API. For prototyping or production.
fangyidong/json-simple - A simple Java toolkit for JSON. You can use json-simple to encode or decode JSON text.
florent37/TutoShowcase - A simple and Elegant Showcase view for Android
RUB-NDS/TLS-Attacker - TLS-Attacker is a Java-based framework for analyzing TLS libraries. It is developed by the Ruhr University Bochum (http://nds.rub.de/) and the Hackmanit GmbH (http://hackmanit.de/).
Wolfsblvt/BlossomsPokemonGoManager - BlossomsPokemonGoManager is a tool for easy managing of your Pokémon Go game. Visit us at our Discord server to talk:
kstyrc/embedded-redis - Redis embedded server for Java integration testing
mikiobraun/jblas - Linear Algebra for Java
java-decompiler/jd-eclipse - A Java Decompiler Eclipse plugin
inaka/galgo - When you want your logs to be displayed on screen
Discord4J/Discord4J - A JVM-based REST/WS wrapper for the official Discord Bot API
crossoverJie/Java-Interview - 👨‍🎓 Java related : basic, concurrent, algorithm
orfjackal/retrolambda - Backport of Java 8's lambda expressions to Java 7, 6 and 5
yusuke/twitter4j - Twitter4J is an open-sourced, mavenized and Google App Engine safe Java library for the Twitter API which is released under the Apache License 2.0.
spring-cloud-incubator/spring-cloud-kubernetes - Kubernetes integration with Spring Cloud
HabitRPG/habitica-android - Native Android
brahalla/Cerberus - A demonstration of a completely stateless and RESTful token-based authorization system using JSON Web Tokens (JWT) and Spring Security.
android10/arrow - Arrow is Lightweight library toolbox for Java and Android Development.
FabianTerhorst/FastLayout - Generates a Java Object for your xml layout to reduce inflate time to zero
lkuza2/java-speech-api - The J.A.R.V.I.S. Speech API is designed to be simple and efficient, using the speech engines created by Google to provide functionality for parts of the API. Essentially, it is an API written in Java, including a recognizer, synthesizer, and a microphone capture utility. The project uses Google services for the synthesizer and recognizer. While this requires an Internet connection, it provides a complete, modern, and fully functional speech API in Java.
hprose/hprose-java - Hprose is a cross-language RPC. This project is Hprose 2.0 for Java
pires/obd-java-api - OBD-II Java API
inspectIT/inspectIT - inspectIT is the leading Open Source APM (Application Performance Management) tool for analyzing your Java (EE) applications.
GoogleCloudPlatform/DataflowJavaSDK - Google Cloud Dataflow provides a simple, powerful model for building both batch and streaming parallel data processing pipelines.
afollestad/ason - [DEPRECATED]: Prefer Moshi, Jackson, Gson, or LoganSquare
lukehutch/fast-classpath-scanner - An uber-fast, ultra-lightweight Java classpath scanner, module scanner, and annotation processor.
rshaghoulian/HackerRank_solutions - HackerRank Solutions - 320 efficient solutions to HackerRank problems
joestelmach/natty - Java natural language date parser
restx/restx - RESTX, the lightweight Java REST framework
ypresto/android-transcoder - MP4 video transcode using Android MediaCodec API, pure Java (not LGPL nor patent issue!). Supports API >= 18.
jaxio/celerio-angular-quickstart - Generate an Angular 5 CRUD application from an existing database schema (we provide a sample one)
benwilcock/cqrs-microservice-sampler - A Java Microservice & CQRS Demo using Spring Boot, Axon & Docker
klinker24/Talon-for-Twitter - 100% open source version of my popular Talon for Twitter app on Android.
tipsy/javalin - A simple and modern Java and Kotlin web framework
alibaba/transmittable-thread-local - 📌 The missing std Java™ lib(simple & 0-dependency) for framework/middleware, transmitting ThreadLocal value between threads even using thread pool like components.
square/haha - Java library to automate the analysis of Android heap dumps.
eventsourcing/es4j - Event capture and querying framework for Java
google/ijaas - Make IntelliJ as a Java server that does autocompletion for Vim.
DWorkS/AStickyHeader - Android Sticky Headers : now headers everywhere
j256/ormlite-core - Core ORMLite functionality that provides a lite Java ORM in conjunction with ormlite-jdbc or ormlite-android
Yarikx/reductor - Redux for Android. Predictable state container library for Java/Android
scream3r/java-simple-serial-connector - Official jSSC (Java Simple Serial Connector) repository
vondear/RxTools - Android开发人员不得不收集的工具类集合 | 支付宝支付 | 微信支付（统一下单） | 微信分享 | Zip4j压缩（支持分卷压缩与加密） | 一键集成UCrop选择圆形头像 | 一键集成二维码和条形码的扫描与生成 | 常用Dialog | WebView的封装可播放视频 | 仿斗鱼滑动验证码 | Toast封装 | 震动 | GPS | Location定位 | 图片缩放 | Exif 图片添加地理位置信息（经纬度） | 蛛网等级 | 颜色选择器 | 编译运行一下说不定会找到惊喜
Tapadoo/Alerter - An Android Alerting Library
ramswaroop/jbot - Make Slack and Facebook Bots in Java.
sksamuel/scrimage - Scala image processing library
RaiMan/SikuliX2 - SikuliX version 2 - Java API
infinitest/infinitest - A Continuous Test Runner for Java
lukeFalsina/Grab-n-Run - Grab’n Run, a simple and effective Java Library for Android projects to secure dynamic code loading.
caelum/vraptor - Simple Java Web MVC Framework
nntuyen/text-decorator - Decorate your TextView easily
wro4j/wro4j - Free and Open Source Java project which brings together almost all the modern web tools: JsHint, CssLint, JsMin, Google Closure compressor, YUI Compressor, UglifyJs, Dojo Shrinksafe, Css Variables Support, JSON Compression, Less, Sass, CoffeeScript and much more. In the same time, the aim is to keep it as simple as possible and as extensible as possible in order to be easily adapted to application specific needs.
Ullink/simple-slack-api - (simple) Java Slack client library
repeats/Repeat - Repeat yourself with some intelligence. This, if used correctly, can improve your productivity by 2x - 5x.
quickfix-j/quickfixj - The official QuickFIX/J project repository
square/okio - A modern I/O API for Java
youlookwhat/CloudReader - 云阅：一款基于网易云音乐UI，使用Gank.Io及豆瓣api开发的符合Google Material Design的Android客户端。项目采取的是MVVM-DataBinding架构开发，现主要包括：干货区、电影区和书籍区三个子模块。DIY网易云音乐原来是如此Cool~
facebook/swift - An annotation-based Java library for creating Thrift serializable types and services.
mg6maciej/android-maps-extensions - Android Maps Extensions is a library extending capabilities of Google Maps Android API v2.
ObjectLayout/ObjectLayout - Java classes designed with optimizable object layout in mind
GautamGupta/Simple-Android-OCR - A simple Android OCR application that makes use of the Camera app
Haehnchen/idea-php-laravel-plugin - Laravel Framework Plugin for PhpStorm / IntelliJ IDEA
tillnagel/unfolding - A library to create interactive maps and geovisualizations in Processing and Java
itdelatrisu/opsu - opsu! ~ an open-source osu! client
timmolter/XChange - XChange is a Java library providing a streamlined API for interacting with 60+ Bitcoin and Altcoin exchanges providing a consistent interface for trading and accessing market data.
timmolter/XChart - XChart is a light-weight Java library for plotting data.
AndroidDeveloperLB/AndroidJniBitmapOperations - Allows to perform various simple operations on bitmaps via JNI , while also providing some protection against OOM using the native Java environment on Android
andretietz/retroauth - A library build on top of retrofit, for simple handling of authenticated requests
digitalfondue/lavagna - Lavagna: issue tracker/project management tool
google/google-oauth-java-client - Google OAuth Client Library for Java
jpush/jpush-api-java-client - JiGuang's officially supported Java client library for accessing JPush APIs. 极光官方支持的 Java 版本服务器端 SDK。
jOOQ/jOOX - jOOX - The Power of jQuery Applied to W3C DOM Like JDBC, DOM is a powerful, yet very verbose low-level API to manipulate XML. The HTML DOM an be manipulated with the popular jQuery product, in JavaScript. Why don't we have jQuery in Java? jOOX is jQuery's XML parts, applied to Java.
Hive2Hive/Hive2Hive - Java library for secure, distributed, P2P-based file synchronization and sharing.
stoicflame/enunciate - Build-time enhancement tool for Java-based Web services projects
broadinstitute/picard - A set of command line tools (in Java) for manipulating high-throughput sequencing (HTS) data and formats such as SAM/BAM/CRAM and VCF.
aerogear/aerogear-unifiedpush-server - 🚀 AeroGear UnifiedPush Server
alibaba/dubbo - Dubbo is a high-performance, java based, open source RPC framework
hankcs/HanLP - 自然语言处理中文分词词性标注命名实体识别依存句法分析关键词提取新词发现短语提取自动摘要文本分类拼音简繁
square/sqldelight - Generates Java models from CREATE TABLE statements.
tananaev/traccar - Traccar GPS Tracking System
decebals/pf4j - Plugin Framework for Java (PF4J)
decebals/pippo - Micro Java Web Framework
dubbo/dubbo-spring-boot-project - Spring Boot Project for Dubbo (Dubbo is a high-performance, java based, open source RPC framework) https://github.com/alibaba/dubbo
methusalah/OpenRTS - Real-Time Strategy game 3D engine coded in pure java
dewarder/HoldingButton - Button which is visible while user holds it. Main use case is controlling audio recording state (like in Telegram, Viber, VK).
jmrapp1/TerraLegion - A clone of the popular game, Terraria. Developed using Java and the LibGDX framework with an aim to run the game efficiently and smoothly on Android devices.
austinv11/Discord4J - Java interface for the Discord API
sakaiproject/sakai - Sakai is a freely available, feature-rich technology solution for learning, teaching, research and collaboration. Sakai is an open source software suite developed by a diverse and global adopter community.
DSpace/DSpace - (Official) The DSpace digital asset management system that powers your Institutional Repository
SpoutDev/Spout - Open source, multithreaded, voxel game engine and platform, written in Java.
jcabi/jcabi-aspects - Collection of AOP/AspectJ Java Aspects
jhipster/generator-jhipster - Open Source application generator for creating Spring Boot + Angular projects in seconds!
klinker24/Android-TextView-LinkBuilder - Insanely easy way to define clickable links within a TextView.
shekhargulati/little-java-functions - Curated collection of useful little Java functions that you can understand quickly
googlesamples/tango-examples-java - Example projects for Project Tango Java API
alexa/alexa-skills-kit-java - SDK and example code for building voice-enabled skills for the Amazon Echo.
sualeh/SchemaCrawler - Free database schema discovery and comprehension tool
clun/ff4j - Feature Flipping for Java made easy
tg123/leetcode - leetcode Solutions.java 250 / 269 (Algorithms)
benwilcock/microservice-sampler - A Java Microservice & CQRS Demo using Spring Boot, Axon & Docker
alkacon/opencms-core - The Java open source content management system by Alkacon Software
twitter/cloudhopper-smpp - Efficient, scalable, and flexible Java implementation of the Short Messaging Peer to Peer Protocol (SMPP)
uklimaschewski/EvalEx - EvalEx is a handy expression evaluator for Java, that allows to evaluate simple mathematical and boolean expressions.
softwaremill/akka-http-session - Web & mobile client-side akka-http sessions, with optional JWT support
KKys/ZhiHuSpider - Java无框架实现爬取知乎用户信息、图片和知乎推荐内容并下载到本地或数据库中
jenetics/jenetics - Jenetics - Java Genetic Algorithm Library
igniterealtime/Spark - Cross-platform real-time collaboration client optimized for business and organizations.
Esri/geometry-api-java - The Esri Geometry API for Java enables developers to write custom applications for analysis of spatial data. This API is used in the Esri GIS Tools for Hadoop and other 3rd-party data processing solutions.
sachin-handiekar/jInstagram - A Java library for the Instagram API.
biezhi/wechat-api - 🗯 微信个人号API Java版本
fayder/restcountries - Get information about countries via a RESTful API
impetus-opensource/Kundera - A JPA 2.1 compliant Polyglot Object-Datastore Mapping Library for NoSQL Datastores.Please subscribe to:
google/FreeBuilder - Automatic generation of the Builder pattern for Java 1.6+
WhisperSystems/libsignal-protocol-java - Signal Protocol library for Java/Android
yeetor/AndroidControl - 超强群控，可以实时查看和控制安卓手机的安卓远程控制软件，致力于完成一个高端的安卓群控软件可以群控，录制运行脚本等等功能...... 千山万水总是情，给个Star行不行？ QQ群:1476686 解决问题&接受各种意见建议
bill1012/AdminEAP - An application development platform base on AdminLTE using Java
amzn/alexa-skills-kit-java - SDK and example code for building voice-enabled skills for the Amazon Echo.
wendux/DSBridge-Android - 🌎 An android bridge for calling functions synchronously and asynchronously between JavaScript and Java in WebView
nielsutrecht/jwt-angular-spring - JSON Web Token example that integrates both a Spring backend with an AngularJS frontend.
tntim96/JSCover - JSCover is a tool that measures code coverage for JavaScript programs.
peter-lawrey/Java-Thread-Affinity - Control thread affinity for Java
vinaygaba/RubberStamp - RubberStamp is an Android library that makes it easy for you to add a watermark to your images. 📫
paypal/PayPal-Java-SDK - Java SDK for PayPal RESTful APIs
GoodieBag/HorizontalPicker - A HorizontalPicker view for android, which supports both text and icon. ✨
biezhi/wechat-bot-api - 🌏 the robots wechat web protocol by java, let's go !
JackJiang2011/MobileIMSDK - 一个专为移动端开发的原创即时通讯框架，超轻量级、高度提炼，完全基于UDP协议，支持iOS、Android、标准Java平台，服务端基于Mina和Netty编写。
poetix/protonpack - Stream utilities for Java 8
nurkiewicz/async-retry - Asynchronous retrying for Java 7/8
mdeverdelhan/ta4j-origins - A Java library for technical analysis Not maintained anymore, kept for archival purposes, see #192
realm/realm-android-adapters - Adapters for combining Realm Java with Android UI components and framework classes
cfg4j/cfg4j - Modern configuration library for distributed apps written in Java.
caelum/vraptor4 - A Java web MVC action-based framework
MagnusS/Java-BloomFilter - A stand-alone Bloom filter implementation written in Java
wg/scrypt - Java implementation of scrypt
lemire/javaewah - A compressed alternative to the Java BitSet class
javers/javers - JaVers - object auditing and diff framework for Java
oxo42/stateless4j - Lightweight Java State Machine
glung/redux-java - The java version of Redux : a predictable state container for apps.
awslabs/amazon-kinesis-client - Client library for Amazon Kinesis
inaka/TinyTask - A Tiny Task Library
Backblaze/JavaReedSolomon - Backblaze Reed-Solomon Implementation in Java
OpenGrok/OpenGrok - Main {OpenGrok git repository
iBase4J/iBase4J - JAVA分布式快速开发平台：Spring，SpringBoot，SpringMVC，Mybatis，mybatis-plus，motan/dubbo分布式，Redis缓存，Shiro权限管理，Spring-Session单点登录，Quartz分布式集群调度，Restful服务，QQ/微信登录，App token登录，微信/支付宝支付；日期转换、数据类型转换、序列化、汉字转拼音、身份证号码验证、数字转人民币、发送短信、发送邮件、加密解密、图片处理、excel导入导出、FTP/SFTP/fastDFS上传下载、二维码、XML读写、高精度计算、系统配置工具类等等。
kamranzafar/JCL - Jar Class Loader, a configurable and dynamic custom classloader designed to create, manage and manipulate isolated Java classloaders in IoC frameworks and web applications.
skadistats/clarity - Comically fast Java Dota 2 replay parser.
tcurdt/jdeb - This library provides an Ant task and a Maven plugin to create Debian packages from Java builds in a truly cross platform manner.
Azure/azure-sdk-for-java - Azure SDKs for Java
GwtMaterialDesign/gwt-material - A Google Material Design wrapper for GWT
demitsuri/smali2java - smali 2 java conversion tool
anupcowkur/here-be-dragons - An Intellij/Android Studio plugin to help visualise side effects in your code.
anismiles/websocket-android-phonegap - This is a Java library that implements Websockt API (Draft-75/76) for Android platform. Library uses java.nio.* packages for efficient non-blocking evented behavior. It easily gets integrated with Phonegap framework.
qiniu/java-sdk - Qiniu Resource (Cloud) Storage SDK for Java
getsentry/sentry-java - A Sentry SDK for Java and other JVM languages.
ajalt/reprint - A unified fingerprint library for android.
JodaOrg/joda-money - Java library to represent monetary amounts.
yegor256/eo - EO programming language
BlackBoxVision/material-calendar-view - 📆 Material Design Calendar compatible with API 11+
dain/snappy - Port of Snappy to Java
spring-projects/spring-data-commons - Spring Data Commons. Interfaces and code shared between the various datastore specific implementations.
milosmns/circular-slider-android - Circular Slider UI Control for Android
jeremyh/jBCrypt - A Java implementation of OpenBSD's Blowfish password hashing code
jonfhancock/JsonToJava - I was fed up with writing Java classes to mirror json models. So I wrote this Java app to automate the process.
Baqend/Orestes-Bloomfilter - Library of different Bloom filters in Java with optional Redis-backing, counting and many hashing options.
spring-cloud/spring-cloud-consul - Spring Cloud Consul
pac4j/play-pac4j - Security library for Play framework 2 in Java and Scala: OAuth, CAS, SAML, OpenID Connect, LDAP, JWT...
microg/android_packages_apps_UnifiedNlp - The next generation Network Location Provider, based on plugins.
derive4j/derive4j - Java 8 annotation processor and framework for deriving algebraic data types constructors, pattern-matching, morphisms, (near future: optics and typeclasses)
otale/tale - 🦄 best beautiful java blog, worth a try
wonderkiln/CameraKit-Android - One of the hardest Android APIs made into a high level and easy to use library that solves all of your problems.
Mashape/unirest-java - Unirest in Java: Simplified, lightweight HTTP client library.
biezhi/wechat-robot - 🌏 the robots wechat web protocol by java, let's go !
anthonycr/Lightning-Browser - A lightweight Android browser with modern navigation
davidmoten/rxjava-jdbc - Efficient execution and functional composition of database calls using jdbc and rx-java Observables
jclouds/legacy-jclouds - jclouds is an open source library that helps you get started in the cloud and reuse your java development skills. Our api allows you to freedom to use portable abstractions or cloud-specific features. We support many clouds including Amazon, VMWare, Azure, and Rackspace.
clearthesky/apk-parser - Apk parser lib for java
vbauer/jackdaw - Java Annotation Processor which allows to simplify development
jimwebber/neo4j-tutorial - A koan-style tutorial in Java for Neo4j
robert-bor/aho-corasick - Java implementation of the Aho-Corasick algorithm for efficient string matching
maxmind/GeoIP2-java - Java API for GeoIP2 webservice client and database reader
Beh01der/EasyFlow - EasyFlow - Simple and lightweight Finite State Machine for Java
vkostyukov/la4j - Linear Algebra for Java
bndtools/bnd - bnd, the swiss army knife for OSGi. A tool to build OSGi bundles.
cping/LGame - This is free 2d game development framework(Java Game Engine), support JavaSE/Android/IOS/WP7/HTML5/PSM/Linux/MAC/Windows and Default support Ripple protocol
OpenNMS/opennms - Enterprise-Grade Open-Source Network Management Platform
gogopop/BlurKit-Android - The missing Android blurring library. Fast blur-behind layout that parallels iOS.
gogopop/CameraKit-Android - One of the hardest Android APIs made into a high level and easy to use library that solves all of your problems.
tizionario/AndroidDrawableFactory - A Java Application to create appropriate Drawable resources for your Android application
martylamb/nailgun - Nailgun is a client, protocol, and server for running Java programs from the command line without incurring the JVM startup overhead.
nl101531/JavaWEB - JavaWEB学习之中的一些Demo
sangmingming/android-instagram-filter - a android image filter like instagram
laforge49/JActor - Actors for Java
mkarneim/pojobuilder - A Java Code Generator for Pojo Builders
sangmingming/StickerView - a sticker view for android application
jankotek/JDBM3 - Embedded Key Value Java Database
peter-lawrey/HugeCollections-OLD - Huge Collections for Java using efficient off heap storage
jcip/jcip.github.com - Java Concurrency in Practice
Atmosphere/nettosphere - A Java WebSocket/HTTP server based on the Atmosphere and Netty Framework
mdeverdelhan/ta4j - A Java library for technical analysis
googleglass/mirror-quickstart-java - Google Mirror API's Quickstart for Java
flaxsearch/luwak - A java library for stored queries
xetorthio/johm - JOhm is a Object-hash mapping library for Java for storing objects in Redis
lemire/JavaFastPFOR - A simple integer compression library in Java
alphazero/jredis - Java Client and Connectors for Redis
spullara/redis-protocol - Java client and server implementation of Redis
Haehnchen/idea-android-studio-plugin - Android Studio Plugin
forge/roaster - A Java Parser library that allows easy parsing and formatting of Java source files
michelelacorte/ElasticProgressBar - Elastic Progress Bar Renew!
cowtowncoder/java-uuid-generator - Java Uuid Generator (JUG) is a library for generating all (3) types of UUIDs on Java. See (http://github.com/tlaukkan/mono-uuid-generator) for C#-based sister project!
arthurblake/log4jdbc - log4jdbc is a Java JDBC driver that can log SQL and/or JDBC calls (and optionally SQL timing information) for other JDBC drivers using the Simple Logging Facade For Java (SLF4J) logging system.
DigitalPebble/behemoth - Behemoth is an open source platform for large scale document analysis based on Apache Hadoop.
hotchemi/PermissionsDispatcher - Simple annotation-based API to handle runtime permissions.
Tencent/angel - A Flexible and Powerful Parameter Server for large-scale machine learning
lwhite1/tablesaw - The simplest way to slice data in Java
Codearte/jfairy - Java fake data generator
vimeo/stag-java - Speedy Type Adapter Generation
beders/Resty - Tiny REST client for Java and JSON.
twilio/twilio-java - A Java library for communicating with the Twilio REST API and generating TwiML.
ThreeTen/threetenbp - Backport of functionality based on JSR-310 to Java SE 6 and 7. This is NOT an implementation of JSR-310.
weld/core - Weld, including integrations for Servlet containers and Java SE, examples and documentation
Nike-Inc/wingtips - Wingtips is a distributed tracing solution for Java based on the Google Dapper paper.
madflow/flow-netbeans-markdown - Markdown file support for the NetBeans IDE
gdg-x/frisbee - Android application for GDG members and organizers
EsotericSoftware/yamlbeans - Java object graphs, to and from YAML automatically
stripe/stripe-java - Java library for the Stripe API.
mmBs/NavigationDrawerSI - Navigation Drawer Simple Implementation
basho/riak-java-client - The Riak client for Java.
scouter-project/scouter - Scouter is an open source APM and an open source profiler for java application like web applications on a tomcat .
ajermakovics/jvm-mon - Console-based JVM monitoring
shawnfan/LintCode - Java Solutions to problems on LintCode
amaembo/huntbugs - Java bytecode static analyzer
cucumber/cuke4duke - Cucumber support for the JVM: Java, Scala, Groovy, Clojure, Ioke, Javascript, Spring, Guice, PicoContainer, WebDriver, Ant and Maven
mediarain/RoboCoP - Pure Java code generation tool for generating a fully functional ContentProvider for Android.
ZhaoKaiQiang/JianDanRxJava - 使用Rxjava重构煎蛋高仿
jirutka/spring-rest-exception-handler - A convenient Spring MVC exception handler for RESTful APIs.
asciidoctor/asciidoctorj - ☕ Java bindings for Asciidoctor. Asciidoctor on the JVM!
RuedigerMoeller/kontraktor - distributed Actors for Java 8 http://ruedigermoeller.github.io/kontraktor/
roundrop/facebook4j - A most easily usable Facebook API wrapper in Java.
korhner/asciimg - An ascii image generator written in Java.
real-logic/Aeron - Efficient reliable UDP unicast, UDP multicast, and IPC message transport
real-logic/Agrona - High Performance data structures and utility methods for Java
OpenHFT/Java-Lang - Java Language support
Railcraft/Railcraft - The Railcraft Mod for Minecraft, source and development.
openstreetmap/osmosis - Osmosis is a command line Java application for processing OSM data.
shiffman/Most-Pixels-Ever-Processing - The Most Pixels Ever is an open-source Java and C++ framework for spanning Processing sketches and openFrameworks applications across multiple screens.
delight-im/Android-DDP - Meteor's Distributed Data Protocol (DDP) for clients on Android
zhiyuncloud/aixuexiao - 一个基于SAE Java平台的微信平台公众帐号应用例子（使用Spring/SpringMVC/MyBatis框架）详情访问：http://aixuexiao.sinaapp.com
yuki-lau/weibo-spider - 新浪微博爬虫，采用Java语言开发，基于HTTPClient 4.0，采用MySQL存储爬取数据，支持多进程并发执行。功能包括：爬取微博、评论、转发、关注列表（层次）。根据数据需求，持续更新...
trautonen/coveralls-maven-plugin - Maven plugin for submitting Java code coverage reports to Coveralls web service.
OrbitzWorldwide/consul-client - Java Client for Consul HTTP API
krasa/EclipseCodeFormatter - IntelliJ plugin - Allows using Eclipse's code formatter directly from IntelliJ. https://plugins.jetbrains.com/plugin/6546-eclipse-code-formatter
helun/Ektorp - Java API for CouchDB
tbroyer/gradle-errorprone-plugin - Gradle plugin to use the error-prone compiler for Java
mulesoft-labs/raml-for-jax-rs - This project is all about two way transformation of JAX-RS-annotated Java code to RAML API description and back.
jonathanlermitage/tikione-steam-cleaner - Steam/GOG/Origin games redistributable packages finder and remover. Available in 12 languages.
getsentry/raven-java - A Sentry SDK for Java and other JVM languages.
jitsi/libjitsi - Advanced Java media library for secure real-time audio/video communication.
Waffle/waffle - Enable drop-in Windows Single Sign On for popular Java web servers.
typetools/checker-framework - Pluggable type-checking for Java
draptik/angulardemorestful - AngularJs intro: Focusing on the REST part with examples in java, nodejs and even dotnet ;-)
airlift/slice - Java library for efficiently working with heap and off-heap memory
undera/jmeter-plugins - JMeter Plugins
google/openrtb - OpenRTB model for Java and other languages via protobuf; Helper OpenRTB libraries for Java including JSON serialization
biezhi/blade - 🚀 a aimple, elegant mvc framework! website →
jersey/jersey - This is an active mirror of Jersey 3.x workspace from http://jersey.java.net. Any changes made here are automatically propagated to java.net and vice versa. Forks and pull requests are welcome!
crossbario/autobahn-android - WebSocket & WAMP in Java for Android
huggsboson/json-schema-validator - A JSON Schema validation implementation in pure Java, which aims for correctness and performance, in that order
amznlabs/ion-java - Java streaming parser/serializer for Ion.
EasyRules/easyrules - The simple, stupid Java rules engine
networknt/light-java - A fast, lightweight and more productive microservices framework
Genymobile/gnirehtet - Gnirehtet provides reverse tethering for Android
CovertJaguar/Railcraft - The Railcraft Mod for Minecraft, source and development.
tumblr/jumblr - Tumblr API v2 Java Client
ahmetb/orman - lightweight and minimalist ORM for Java/Android. works with SQLite & MySQL. (not actively maintained)
zkoss/zk - ZK is a highly productive Java framework for building amazing enterprise web and mobile applications
mono/sharpen - Sharpen is an Eclipse plugin created by db4o that allows you to convert your Java project into c#
hibernate/hibernate-ogm - Hibernate OGM - Domain model persistence for NoSQL datastores
mgouline/android-samples - Sample Android code for the tutorials.
donpark/identicon - Original Identicon java and canvas implementations
dcm4che/dcm4che - DICOM Implementation in JAVA
zsoltherpai/feather - Lightweight dependency injection for Java and Android (JSR-330)
Yalantis/Watchface-Constructor - This is simple watchface constructor demo
javaslang/javaslang - Javaslang is an object-functional language extension to Java 8, which aims to reduce the lines of code and increase code quality. It provides persistent collections, functional abstractions for error handling, concurrent programming, pattern matching and much more. Javaslang fuses the power of object-oriented programming with the elegance and robustness of functional programming. The most interesting part is a feature-rich, persistent collection library that smoothly integrates with Java's standard collections.
daveclayton/json-schema-validator - A JSON Schema validation implementation in pure Java, which aims for correctness and performance, in that order
cordova-plugin-camera-preview/cordova-plugin-camera-preview - Cordova plugin that allow camera interaction from HTML code
cloudfoundry/java-buildpack-auto-reconfiguration - Auto-reconfiguration functionality for the Java Buildpack
chocoteam/choco-solver - An open-source Java library for Constraint Programming
johncarl81/transfuse - 💉 Transfuse - A Dependency Injection and Integration framework for Google Android
3pillarlabs/socialauth - Java Library for authentication, getting profile, contacts and updating status on Google, Yahoo, Facebook, Twitter, LinkedIn, and many more providers
x-stream/xstream - Serialize Java objects to XML and back again.
hibernate/hibernate-search - Hibernate Search: full-text search for domain model
davidar/lljvm - Low Level Java Virtual Machine
hunterhacker/jdom - Java manipulation of XML made easy
wmixvideo/nfe - Nota Fiscal Eletrônica em Java
asterisk-java/asterisk-java - The free Java library for Asterisk PBX integration.
kaaes/spotify-web-api-android - A wrapper for Spotify Web API. It uses Retrofit to create Java interfaces from API endpoints
OpenHFT/Zero-Allocation-Hashing - Zero-allocation hashing for Java
bwaldvogel/liblinear-java - Java version of LIBLINEAR
arquillian/arquillian-core - Arquillian provides a component model for integration tests, which includes dependency injection and container life cycle management. Instead of managing a runtime in your test, Arquillian brings your test to the runtime.
tananaev/traccar-client-android - Traccar Client for Android
SwiftJava/SwiftJava - Swift to Java Bridge
super-csv/super-csv - A fast, programmer-friendly, free CSV library for Java
Bigkoo/Android-PickerView - This is a picker view for android , support linkage effect, timepicker and optionspicker.（时间选择器、省市区三级联动）
jayway/JsonPath - Java JsonPath implementation
HeinrichReimer/material-intro - A simple material design app intro with cool animations and a simple API.
droolsjbpm/optaplanner - Java planning engine: OptaPlanner optimizes business resource scheduling and planning.
mp911de/lettuce - Advanced Redis client for thread-safe sync, async, and reactive usage. Supports Cluster, Sentinel, Pipelining, and codecs.
HeinrichReimer/material-drawer - Custom drawer implementation for Material design apps.
dotCMS/core - Source Code for dotCMS Java Enterprise Content Management System
yanzhenjie/AndServer - Android端搭建简单的Http服务器的框架，傻瓜式构建，和Java的Servlet一样。
Mach5/supersonic - Open-source web-based media streamer and jukebox fork of Subsonic. Supports MP3, OGG, AAC and other streamable audio and video formats. Runs on Windows, GNU/Linux and Mac using Java.
rcarz/jira-client - A simple JIRA REST client for Java
couchbase/couchbase-java-client - The official Java client for Couchbase Server
dropbox/dropbox-sdk-java - A Java library for the Dropbox Core API.
daveclayton/json-patch - An RFC 6902 (JSON Patch) and reverse, plus RFC 7386 (JSON Merge Patch), implementation in Java using Jackson (2.2.x)
sanity/quickml - A fast and easy to use decision tree learner in java
movisens/SmartGattLib - SmartGattLib is a Java library that simplifies the work with Bluetooth SMART devices
jesse01/WebViewJavascriptBridge - WebViewJavascriptBridge for Android
alibaba/java-dns-cache-manipulator - 🔍 A simple 0-dependency thread-safe lib for setting dns programmatically without touching host file, make unit/integration test portable.
VictorAlbertos/ReactiveCache - A reactive cache for Android and Java which honors the reactive chain.
grundid/nfctools - nfctools library for Java
brettwooldridge/NuProcess - Low-overhead, non-blocking I/O, external Process implementation for Java
qalingo/qalingo-engine - Qalingo : B2C B2B Engine (opensource Java eCommerce mCommerce Marketplace, sync with ERP CMS CRM) (based on Spring, Hibernate, Velocity, Drools, SOLR)
vRallev/OpenCV - The OpenCV Java project for Android.
Workable/java-error-handler - Error handling library for Android and Java
RamosLi/dbay-apns-for-java - High performance Java client for APNS(Apple Push Notification Service)
JOML-CI/JOML - A Java math library for OpenGL rendering calculations
elastic/elasticsearch-metrics-reporter-java - Metrics reporter, which reports to elasticsearch
jsonld-java/jsonld-java - JSON-LD implementation for Java
agoncal/agoncal-book-javaee7 - Code of the future Java EE 7 Book
wg/lettuce - Scalable Java Redis client
jasonsantos/luajava - LuaJava is a scripting tool for Java. The goal of this tool is to allow scripts written in Lua to manipulate components developed in Java. LuaJava allows Java components to be accessed from Lua using the same syntax that is used for accessing Lua`s native objects, without any need for declarations or any kind of preprocessing. LuaJava also allows Java to implement an interface using Lua. This way any interface can be implemented in Lua and passed as parameter to any method, and when called, the equivalent function will be called in Lua, and it's result passed back to Java.
rythmengine/rythmengine - A "Razor" like, rich featured, high performance and easy to use Java template engine
MoriTanosuke/glacieruploader - A simple java command line application for Amazon Glacier
geecko86/QuickLyric - Android app that instantly fetches your lyrics for you.
evernote/evernote-sdk-java - Evernote SDK for Java
agoncal/agoncal-application-petstore-ee6 - A Java Petstore using the Java EE 6
SKCraft/Launcher - Deploy modpacks easily -- no special hosting required!
pholser/jopt-simple - Java library for parsing command line options
cloudfoundry/cf-java-client - Java Client Library for Cloud Foundry
bodar/totallylazy - Another functional library for Java
AdamBien/afterburner.fx - The Opinionated Un-Framework For Java FX Applications
Graylog2/graylog2-server - Free and open source log management
ahmetalpbalkan/orman - lightweight and minimalist ORM for Java/Android. works with SQLite & MySQL. (not actively maintained)
mulesoft/raml-for-jax-rs - This project is all about two way transformation of JAX-RS-annotated Java code to RAML API description and back.
BlitzKraig/AndroidResizer - Java Desktop app to resize XXXHDPI (or lower) images and sort them into folders automatically.
jhunters/jprotobuf - A very useful utility library for java programmer using google protobuf
code-crusher/Image-Zoomer - 📱 Image zoom animations library for Android.
aurae/retrofit-logansquare - A Converter implementation using LoganSquare JSON serialization for Retrofit 2.
rehacktive/waspdb - key/value data storage library for Android, pure java and encrypted
lookfirst/sardine - an easy to use webdav client for java
julianhyde/linq4j - A port of LINQ (Language-Integrated Query) to Java
grossopa/weixin-mp-java - 基于Java，Spring，Maven实现的微信公众平台一整套代码，从前端Controller到后端的Dao的实现
cloudsec/ajvm - A hobby jvm, just want to know how a java virtual machine works.
wso2/msf4j - WSO2 Microservices Framework for Java (MSF4J)
optimaize/language-detector - Language Detection Library for Java
numenta/htm.java - Hierarchical Temporal Memory implementation in Java - an official Community-Driven Java port of the Numenta Platform for Intelligent Computing (NuPIC).
Codingpedia/demo-rest-jersey-spring - Project described on Codingpedia.org in the blog post: "Tutorial – REST API design and implementation in Java with Jersey and Spring"
adneal/Apollo-CM - Android yacht player
thatJavaNerd/JRAW - The Java Reddit API Wrapper
shuyo/language-detection - This is a language detection library implemented in plain Java. (aliases: language identification, language guessing)
ScottOaks/JavaPerformanceTuning - Examples for O'Reilly & Associates Java Performance Tuning: The Definitive Guide
PhilipsHue/PhilipsHueSDK-Java-MultiPlatform-Android - The Software Development Kit for Philips Hue Java Mulfi-Platform and Android (beta)
JesseFarebro/android-mqtt - A simple MQTT Service that will keep running for the duration of your Android application using the Paho Java MQTT Client.
freedomotic/freedomotic - Open Internet of Things Framework - ThinG Wider!
escline/InstallCert - Java program to retrieve server certificate that can be added to local keystore
EasyBatch/easybatch-framework - The simple, stupid batch processing framework for Java
Manabu-GT/DesignOverlay-Android - Android app which displays design image with grid lines to facilitate the tedious design implementation process
maksim-m/Popular-Movies-App - A simple Android app, that helps you discover most popular and most rated movies. Project 1 & 2 of Udacity Android Developer Nanodegree.
google/allocation-instrumenter - A Java agent that rewrites bytecode to instrument allocation sites
Esri/arcgis-runtime-samples-android - ArcGIS Runtime SDK for Android Samples
Beerkay/JavaMultiThreading - Codes with minor comments of Java Multithreading course
RichardWarburton/lambda-behave - A modern testing and behavioural specification framework for Java 8
OneBusAway/onebusaway-android - The official Android/Fire Phone app for OneBusAway
easymock/objenesis - Okay, it's pretty easy to instantiate objects in Java through standard reflection. However there are many cases where you need to go beyond what reflection provides. For example, if there's no public constructor, you want to bypass the constructor code, or set final fields. There are numerous clever (but fiddly) approaches to getting around this and this library provides a simple way to get at them. You will find the official site here.
stefanbirkner/system-rules - A collection of JUnit rules for testing code which uses java.lang.System.
SpongePowered/SpongeVanilla - The SpongeAPI implementation for Vanilla Minecraft.
whitesock/open-replicator - Open Replicator is a high performance MySQL binlog parser written in Java. It unfolds the possibilities that you can parse, filter and broadcast the binlog events in a real time manner.
WhisperSystems/libsignal-service-java - A Java/Android library for communicating with the Signal messaging service.
javatuples/javatuples - Typesafe representation of tuples in Java.
indeedeng/proctor - Proctor is a Java-based A/B testing framework
forge/core - Forge Core Framework APIs and Implementation
dom4j/dom4j - flexible XML framework for Java
davidmoten/geo - Geohash utitlies in java
aggregateknowledge/java-hll - Java library for the HyperLogLog algorithm
xurui1995/Sword-pointing-to-offer - 剑指offer java版实现
michel-kraemer/bson4jackson - A pluggable BSON generator and parser for Jackson JSON processor.
jqno/equalsverifier - EqualsVerifier can be used in Java unit tests to verify whether the contract for the equals and hashCode methods is met.
GraphChi/graphchi-java - GraphChi's Java version
angelozerr/tern.java - Use tern.js in Java context
sk89q/CraftBook - Machines, ICs, PLCs, and more!
odnoklassniki/one-nio - Unconventional I/O library for Java
ical4j/ical4j - A Java library for parsing and building iCalendar data models
zafarkhaja/jsemver - Java implementation of the SemVer Specification
perf4j/perf4j - Performance Monitoring and Statistics for Java Code
Microsoft/vsminecraft - Visual Studio extension for developing MinecraftForge mods using Java.
michel-kraemer/gradle-download-task - Adds a download task to Gradle that displays progress information
ianopolous/JPC - JPC - The fast x86 PC emulator in 100% pure Java
exteso/alf.io - alf.io - The open source ticket reservation system
ysc/superword - Superword is a Java open source project dedicated in the study of English words analysis and auxiliary reading.
yandex-qatools/htmlelements - Html Elements is a Java framework providing easy-to-use way of interaction with web-page elements in web-page tests.
yahoo/elide - Elide is a Java library that lets you stand up a JSON API web service with minimal effort
rawls238/Scientist4J - A port of Github's Refactoring tool Scientist in Java
jezhumble/javasysmon - Manage OS processes and get cpu and memory stats cross-platform in Java.
pedrovgs/AndroidGameBoyEmulator - Android Game Boy Emulator written in Java
opensciencemap/vtm - a vector-tile map library written in java - running on android, desktop and within the browser
twitter/joauth - A Java library for authenticating HTTP Requests using OAuth
OpenGamma/Strata - Open source analytics and market risk library from OpenGamma
jenkinsci/github-plugin - Jenkins GitHub plugin
fabioz/Pydev - Python IDE for Eclipse
code-disaster/steamworks4j - A thin Java wrapper to access the Steamworks API
pengrad/java-telegram-bot-api - Java API for Telegram Bots and Gaming Platform
jreijn/spring-comparing-template-engines - Demo project to show different Java templating engines in combination with Spring MVC
Comcast/jrugged - A Java libary of robustness design patterns
sgothel/jogl - Java™ Binding for the OpenGL® API
ModeShape/modeshape - ModeShape is a distributed, hierarchical, transactional, and consistent data store with support for queries, full-text search, events, versioning, references, and flexible and dynamic schemas. It is very fast, highly available, extremely scalable, and it is 100% open source and written in Java. Clients use the JSR-283 standard Java API for content repositories (aka, JCR) or ModeShape's REST API, and can query content through JDBC and SQL.
daimajia/java-multithread-downloader - Java multithread download library
soundcloud/java-api-wrapper - SoundCloud Java API wrapper (OAuth2 only), works on Android
FasterXML/java-classmate - Library for introspecting generic type information of types, member/static methods, fields. Especially useful for POJO/Bean introspection.
timboudreau/netty-http-client - An asynchronous http client in Java, with a clean, callback-based API, using Netty 4.x
lambadaframework/lambadaframework - Build serverless REST API's with JAVA. It implements the JAX-RS API and deploys your application easily to AWS Lambda and API Gateway
HubSpot/jinjava - Jinja template engine for Java
biojava/biojava - 📖🔬☕ BioJava is an open-source project dedicated to providing a Java framework for processing biological data.
reficio/soap-ws - Java library, based on Spring-WS, that enables handling SOAP on a purely XML level
nifty-gui/nifty-gui - Your Open Source Java OpenGL GUI. Interactive user interfaces for games or similar applications. LWJGL, JOGL, JME or Java2d rendering.
iainporter/rest-java - Building rest services in Java with Spring and Jersey
fusesource/hawtdispatch - The libdispatch style API for Java and Scala
chatty/chatty - Twitch Chat Client written in Java
stormpath/stormpath-sdk-java - Official Java SDK for the Stormpath User Management REST API
nyholku/purejavacomm - Pure Java implementation of JavaComm SerialPort
ning/compress - High-performance, streaming/chunking Java LZF codec, compatible with standard C LZF package
308tube/com.youtube.rest - Java restful service tutorial
EsotericSoftware/tablelayout - Table-based layout for Java UI toolkits: libgdx, Swing, Android, TWL
shipilev/java-object-layout - Low-level Java object layout dumpers
jmacglashan/burlap - Repository for the ongoing development of the Brown-UMBC Reinforcement Learning And Planning (BURLAP) java library
ReactiveX/RxJavaReactiveStreams - Adapter between RxJava and ReactiveStreams
rchodava/datamill - A Java framework for web applications using a functional reactive style built on RxJava
mongojack/mongojack - Mongojack maps Java objects to MongoDB documents. Based on the Jackson JSON mapper, Mongojack allows you to easily handle your mongo objects as POJOs (insert, search by id or by any other field, update).
dwrensha/capnproto-java - Cap'n Proto in pure Java
tim-group/java-statsd-client - a java statsd client library
OWASP/java-html-sanitizer - Takes third-party HTML and produces HTML that is safe to embed in your web application. Fast and easy to configure.
hypercube1024/firefly - Firefly framework - A high performance full-stack java web framework
EleTeam/Shop-for-JavaWeb - 这是网站版的电商系统，是Shop-for-iOS的服务端代码。注意：如果用PHP开发，请使用 Shop-for-PHP-Yii2
childe/hangout - 用java实现一下Logstash的几个常用input/filter/output, 希望能有效率上面的大提升
socketio/engine.io-client-java - Engine.IO Client Library for Java
nviennot/jd-core-java - Java Library for JD-Core, a java decompiler
ramswaroop/Algorithms-and-Data-Structures-in-Java - Algorithms and Data Structures in Java
paultuckey/urlrewritefilter - A Java Web Filter with functionality like Apache's mod_rewrite
pure4j/pure4j - Compile-Time Purity and Immutability Semantics For The Java Language
maxliaops/Java_Web_Examples - 《实战突击：Java Web项目整合开发》源码
citiususc/hipster - Hipster4j is a lightweight and powerful heuristic search library for Java and Android. It contains common, fully customizable algorithms such as Dijkstra, A* (A-Star), DFS, BFS, Bellman-Ford and more.
sendgrid/sendgrid-java - SendGrid Java helper library
ReactiveX/RxJavaFX - RxJava bindings for JavaFX
jenkinsci/java-client-api - A Jenkins API client for Java
evant/android-retrolambda-lombok - A modified version of lombok ast that allows lint to run on java 8 sources without error.
CloudRail/cloudrail-si-java-sdk - Unified API Library for: Cloud Storage, Social Profiles, Payment, Email, SMS & POIs. Included services are Dropbox, Google Drive, OneDrive, Box, Facebook, GitHub, Google+, LinkedIn, Slack, Twitter, Windows Live, Yahoo, PayPal, Stripe, Mailjet, Sendgrid, Twilio, Nexmo, Google Places, Foursquare, Yelp.
woorea/openstack-java-sdk - OpenStack Java SDK
square/protoparser - Java parser for .proto schema declarations.
snazy/ohc - Java large off heap cache
UglyTroLL/Douban-Java-SDK-OAuth2 - Douban Java SDK OAuth2
trikita/jedux - Redux architecture for Android in good old java
MachinePublishers/ScreenSlicer - Automatic, zero-config web scraping -- written in Java, has no dependency on Java EE or app servers, and the web scraper has a restful/JSON API.
jReddit/jReddit - 🌀 Java wrapper for Reddit API
ImangazalievM/Scripto - Java and JavaScript interaction library
taskadapter/redmine-java-api - Redmine Java API
RichardWarburton/slab - Offheap Java POJOs with guaranteed memory alignment
foursquare/fongo - faked out in-memory mongo for java
doanduyhai/Achilles - An advanced Java Object Mapper/Query DSL generator for Cassandra
jparsec/jparsec - Build parsers in Java
drrb/java-rust-example - Embedding Rust in Java
aled/jsi - Java Spatial Index
simbiose/Encryption - Encryption is a simple way to encrypt and decrypt strings on Android and Java project.
nativelibs4java/BridJ - BridJ: blazing fast Java / C / C++ interop
bmwcarit/barefoot - Java library for integrating the map into software and services with state-of-the-art online and offline map matching that can be used stand-alone and in the cloud.
bbottema/simple-java-mail - Simple API, Complex Emails (JavaMail smtp wrapper)
spring-projects/spring-data-cassandra - Provides support to increase developer productivity in Java when using Apache Cassandra. Uses familiar Spring concepts such as a template classes for core API usage and lightweight repository style data access.
ptnplanet/Java-Naive-Bayes-Classifier - A java classifier based on the naive Bayes approach.
cmzy/ZHookLib - A java method hook library for android dalvik
line/line-bot-sdk-java - Java SDK for Messaging API BOT
amplab/succinct - Java/Scala Implementation of Succinct.
t0xa/gelfj - Graylog Extended Log Format (GELF) implementation in Java and log4j appender without any dependencies.
rschreijer/lutung - Lutung - A Java Mandrill API Connector
RobWin/javaslang-circuitbreaker - A lightweight, easy-to-use fault tolerance library designed for Java8 and functional programming
mfornos/humanize - Java facility for adding a “human touch” to data.
mark-watson/Java-AI-Book-Code - Code examples for my Java artificial intelligence book
knightliao/disconf-demos-java - java applications for disconf
farin/JCloisterZone - Java implementation of Carcassonne board game
ben-manes/concurrentlinkedhashmap - A ConcurrentLinkedHashMap for Java
zhoumengkang/netty-restful-server - A light restful server built on netty. If you are preparing for leaning java or netty, it's a nice gift for you.
uber-common/rave - A data model validation framework that uses java annotation processing.
JeffLi1993/fast-framework - 基于 JDK8 实现的轻量级 Java Web 框架
SonarSource/sonar-java - ☕ SonarJava : Java static analyzer for SonarQube & SonarLint
mikereedell/sunrisesunsetlib-java - Library for computing the sunrise/sunset from GPS coordinates and a date, in Java.
ge0rg/MemorizingTrustManager - A "plugin" for Android Java to allow asking the user about SSL certificates
ContainX/openstack4j - A Fluent OpenStack SDK / Client Library for Java
Thomas-S-B/visualee - A maven plugin to visualize java ee projects
google/thread-weaver - A Java framework for testing multithreaded code.
WorksApplications/icefig - Java elegant supplement
twitter/nodes - A library to implement asynchronous dependency graphs for services in Java
tipsy/j2html - Java to HTML generator. Enjoy typesafe HTML generation.
timols/java-gitlab-api - A wrapper for the Gitlab API written in Java
spring-projects/spring-security-javaconfig - Spring Security Java Configuration Support (to be merged with spring-security-config)
alaisi/postgres-async-driver - Asynchronous PostgreSQL Java driver
zsxwing/leetcode-java - My Java solutions for LeetCode Online Judge.
windy1/google-places-api-java - Comprehensive and FULL Java client for the Google Places API
litesuits/android-lite-go - LiteGo is a Java-based asynchronous concurrency library. It has a smart executor, which can be freely set the maximum number of concurrent at same time , and the number of threads in waiting queue. It can also set waiting policies and overload strategies.
kelemen/netbeans-gradle-project - This project is a NetBeans plugin able to open Gradle based Java projects. The implementation is based on Geertjan Wielenga's plugin.
eBay/cors-filter - CORS (Cross Origin Resource Sharing) is a mechanism supported by W3C to enable cross origin requests in web-browsers. CORS requires support from both browser and server to work. This is a Java servlet filter implementation of server-side CORS for web containers such as Apache Tomcat.
Cue/greplin-bloom-filter - Java implementation of a probabilistic set data structure
kaikramer/keystore-explorer - KeyStore Explorer is a free GUI replacement for the Java command-line utilities keytool and jarsigner.
andrewgaul/modernizer-maven-plugin - Detect uses of legacy Java APIs
TheHolyWaffle/TeamSpeak-3-Java-API - A Java 7 implementation of TeamSpeak's 3 server query API.
teamed/qulice - Quality Police for Java projects
st-js/st-js - Main repository of Strongly-Typed Javascript - Java to Javascript transpiler
qmx/jitescript - Jitescript - Java API for Bytecode
npgall/concurrent-trees - Concurrent Radix and Suffix Trees for Java
fasseg/exp4j - A tiny math expression evaluator for the Java programming language
martinpaljak/GlobalPlatformPro - Manage applets and keys on JavaCard-s like a pro (via command line or from your Java project)
GeoWebCache/geowebcache - GeoWebCache is a tile caching server implemented in Java that provides various tile caching services like WMS-C, TMS, WMTS, Google Maps, MS Bing and more
FutureProcessing/spring-boot-security-example - This project demonstrates usage of Spring-Boot with Spring-Security using Java configuration with Integration Tests
essiembre/eclipse-rbe - Eclipse plugin for editing Java resource bundles. Lets you manage all localized .properties files in one screen. Some features: sorted keys, warning icons on missing keys/values, conversion to/from Unicode, hierarchical view of keys, and more.
voodoodyne/subethasmtp - SubEtha SMTP is a Java library for receiving SMTP mail
TNG/JGiven - Behavior-Driven Development in plain Java
taksan/skype-java-api - Skype API for Java, based on Skype4Java library
juniversal/juniversal - Write cross platform mobile apps, in Java
damnhandy/Handy-URI-Templates - A Java URI Template processor implementing RFC6570
Unidata/thredds - Thredds and netCDF-Java (CDM)
samczsun/Skype4J - Skype API written in Java. Does not support P2P chats
lessthanoptimal/ejml - A fast and easy to use linear algebra library written in Java for dense, sparse, real, and complex matrices.
Dreampie/icedog - java+angular+requirejs
clarkware/jdepend - A Java package dependency analyzer that generates design quality metrics.
caveofprogramming/java-beginners - Source code for Java for Complete Beginners
RankSys/RankSys - Java 8 Recommender Systems framework for novelty, diversity and much more
pusuo/patchca - Simple yet powerful CAPTCHA library written in Java
jurmous/etcd4j - Java / Netty client for etcd, the highly-available key value store for shared configuration and service discovery.
jpmml/jpmml-evaluator - Java Evaluator API for PMML
feuyeux/jax-rs2-guide - 《Java Restful Web Service实战》源代码
rubenlagus/TelegramBotsExample - A simple to use library to create Telegram Bots in Java
clearthesky/requests - Easy yet flexible http client for java
unbescape/unbescape - Advanced yet easy to use escaping library for Java
TFaga/KumuluzEE - Lightweight framework for creating small standalone Java EE applications in a micro service way.
SquidPony/SquidLib - Useful tools for roguelike, role-playing, strategy, and other grid-based games in Java. Feedback is welcome!
sebastianbenz/Jnario - Executable specifications for Java
owlike/genson - Genson a fast & modular Java <> Json library
membrane/service-proxy - API gateway for REST and SOAP written in Java.
jeluard/semantic-versioning - Java library relying on semver.org principles to check binary code compatibility
harvardinformatics/JAuth - Java GUI client to generate Google authentication codes
Fanping/iveely.search - Pure java realize search engine, try to directly hit the user's search for answers.
crimsonwoods/javassist-android - Javassit for Android
Atmosphere/wasync - WebSockets with fallback transports client library for Node.js, Android and Java
virgo47/javasimon - Java Simon is a simple monitoring API that allows you to follow and better understand your application.
playn/playn - A Java game development framework that deploys to JVM, HTML5, Android and iOS.
julman99/gson-fire - A java library that adds some very useful features to Gson, like Date serializing to unix timestamp or RFC3339, method (getters) serialization, pre/post processors and many others. Check out the documentation to learn how to use it!
javalite/activeweb - ActiveWeb is a full stack Java Web Framework for rapid development
iboxdb/ftserver - Lightweight Embeddable iBoxDB Full Text Search Server for Java
cache2k/cache2k - Lightweight, high performance Java caching
achimala/leaguelib - Java library for the League of Legends RTMPS API (built on top of LoLRTMPSClient by Gabriel Van Eyck)
raml-org/raml-java-parser - A RAML parser based on SnakeYAML written in Java
johnlcox/motif - Scala-like pattern matching for Java 8
wuman/JReadability - Java port of Arc90's Readability.js - parses HTML as input and returns clean, easy-to-read text
jitlogic/zorka - Sophisticated monitoring agent for Java
Ecwid/consul-api - Java client for Consul HTTP API
Baidu-ecom/Jprotobuf-rpc-socket - Protobuf RPC是一种基于TCP协议的二进制RPC通信协议的Java实现
wblut/HE_Mesh - HE_Mesh, a Java library for creating and manipulating polygonal meshes. Aimed primarily at Processing.
palantir/Sysmon - A lightweight platform monitoring tool for Java VMs
maxmind/geoip-api-java - GeoIP Legacy Java API
luckytoilet/MSolver - A small, self-contained minesweeper solver written in Java
lindenb/jvarkit - Java utilities for Bioinformatics
KnisterPeter/jreact - react.js on server-side java (with rhino or nashorn)
Free-Software-for-Android/RootCommands - RootCommands - Library to access root commands with Java API
ESAPI/esapi-java-legacy - ESAPI (The OWASP Enterprise Security API) is a free, open source, web application security control library that makes it easier for programmers to write lower-risk applications.
algaworks/ebook-javaee - Projeto do e-book de Java EE 7 da AlgaWorks.
17mon/java - 17mon IP库解析代码
thiagolocatelli/parse4j - Java Library to deal with Parse (parse.com) REST API
s7/scale7-pelops - A Java library for accessing the Cassandra database
ReactiveSocket/reactivesocket-java - ReactiveSocket Protocol for Client/Server for Java
oldratlee/fucking-java-concurrency - 🎏 simple show cases of java concurrency problem
stanfy/gson-xml - Java library for XML deserialization
sk89q/WarmRoast - Java application CPU sampler with a web-based UI
Simmetrics/simmetrics - Similarity or Distance Metrics, e.g. Levenshtein, for Java
OleksandrKucherenko/meter - Meter - is a simple micro-benchmarking tool for Android (and Java) projects. This is not a profiler, this is very small utility class that designed for making benchmarking easy. Nothing more.
laomafeima/WebJava - 一个高性能，轻量级的非阻塞式服务器
JetBrains/jediterm - Pure Java Terminal Emulator. Works with SSH and PTY.
boncey/Flickr4Java - Java API For Flickr. Fork of FlickrJ
sstrickx/yahoofinance-api - Java Client API for Yahoo Finance
Progether/JAdventure - Java text adventure game.
nurkiewicz/typeof - instanceof operator and Visitor pattern replacement in Java 8
loiane/curso-java-basico - ☕ Código fonte apresentado no curso de Java gratuito do blog loiane.com
Ellzord/JALSE - Java Artificial Life Simulation Engine
zznate/cassandra-tutorial - Basic tutorial for working with Apache Cassandra in Java via the Hector client
sixpack/sixpack-java - A Java client for the Sixpack A/B testing framework https://github.com/seatgeek/sixpack
saltares/freegemas-gdx - Freegemas libGDX is an Android and Java desktop port of Freegemas, which in turn is an open source version of the well known Bejeweled.
pusher/pusher-websocket-java - Pusher client library for Java targeting general Java and Android | owner=@zmarkan
neuroph/neuroph - Java Neural Network Framework Neuroph
matuobasyouca/spider - a simple distributed spider in Java. Java编写的一个简单分布式爬虫
jpcap/jpcap - network packet capture library for applications written in java
uniVocity/csv-parsers-comparison - Comparisons among all Java-based CSV parsers in existence
udacity/Just-Java - The official repository for the second Android Development for Beginners App : Just Java
quarnster/SublimeJava - Java completions for Sublime Text 2
JnRouvignac/AutoRefactor - Eclipse plugin to automatically refactor Java code bases
bigmlcom/histogram - Streaming Histograms for Clojure/Java
ActiveJpa/activejpa - A simple active record pattern library in java that makes programming DAL easier
luohaha/jlitespider - A lite distributed Java spider framework :-)
jnr/jnr-posix - Java Posix layer
vvakame/JsonPullParser - compiler time JSON-POJO Mapper for Java
rjyo/twitter-2-weibo - An app runs in a stand java J2EE server that syncs tweets from Twitter to Weibo
giltene/PauselessHashMap - A java.util.HashMap compatible map that won't stall puts or gets when resizing
xcv58/LeetCode - The solutions of LeetCode, include Java, C, C++, Python version.
willuhn/hbci4java - Fork of HBCI4Java (from http://hbci4java.kapott.org), that contains support for chipTAN, smsTAN, HHD, SEPA and other fixes/enhancements
mangstadt/ez-vcard - A vCard parser library for Java
branaway/Japid - A Java-based statically-typed fast template engine that can be used in any Java code. It has special adapter for use with the Play! Framework.
onelogin/java-saml - Java SAML toolkit
kpelykh/docker-java - Java Docker API Client
edmund-wagner/junrar - plain java unrar util (former sf project)
schildbach/public-transport-enabler - Unleash public transport data in your Java project.
RNCryptor/JNCryptor - Java implementation of RNCryptor
justinsb/jetcd - Java binding for etcd
fasterthanlime/jooc-legacy - 🐊 The historical, initial implementation of an ooc compiler in Java
EtiennePerot/fuse-jna - No-nonsense, actually-working Java bindings to FUSE using JNA.
coverity/coverity-security-library - Coverity Security Library (CSL) is a lightweight set of escaping routines for fixing cross-site scripting (XSS), SQL injection, and other security defects in Java web applications.
BoltsFramework/Bolts-Java - [Archive] Bolts is a collection of low-level libraries designed to make developing mobile apps easier.
jayway/powermock - PowerMock is a Java framework that allows you to unit test code normally regarded as untestable.
dblock/waffle - Enable drop-in Windows Single Sign On for popular Java web servers.
javaslang/javaslang-circuitbreaker - A lightweight, easy-to-use fault tolerance library designed for Java8 and functional programming based on javaslang.
StripesFramework/stripes - Stripes is a Java framework with the goal of making Servlet/JSP based web development in Java as easy, intuitive and straight-forward as it should be. It's stripey and it doesn't suck.
ysc/HtmlExtractor - HtmlExtractor是一个Java实现的基于模板的网页结构化信息精准抽取组件。
mheath/adbcj - Asynchronous Database Connectivity in Java
mcfunley/juds - A Unix domain socket library for Java
arnaudroger/SimpleFlatMapper - Fast and Easy mapping from database and csv to POJO. A java micro ORM, lightweight alternative to iBatis and Hibernate. Fast Csv Parser and Csv Mapper
ralfebert/jgravatar - jgravatar is a Java library for accessing gravatar.com avatar images
mikera/vectorz - Fast and flexible numerical library for Java featuring N-dimensional arrays
mikaelhg/urlbuilder - Java Builders: URL builder
javaee-samples/javaee7-hol - Java EE 7 Hands-on Lab
eclipse/leshan - Eclipse Leshan is an OMA Lightweight M2M (LWM2M) implementation in Java.
renaudcerrato/static-maps-api - Fluent and clean Google Static Maps API Java interface.
openmicroscopy/bioformats - Bio-Formats is a Java library for reading and writing data in life sciences image file formats. It is developed by the Open Microscopy Environment (particularly UW-Madison LOCI and Glencoe Software). Bio-Formats is released under the GNU General Public License (GPL); commercial licenses are available from Glencoe Software.
djpowell/liverepl - Connect a Clojure REPL to running Java or Clojure processes without any special setup
caoqianli/apk-parser - Apk parser lib for java
awslabs/aws-config-rules - [Node, Python, Java] Repository of sample Custom Rules for AWS Config.
caoqianli/requests - Easy to use and flexible http lib for java
elvishew/xLog - Convenient, flexible and tiny Log library for Android and java, can concurrently print the log to multiple target like logcat, System.out and file, or even remote server(or anywhere) if you like.
tulskiy/jkeymaster - A library for registering global hotkeys in java with JNA. The goal is to support X11-based platforms, Windows and MacOSX
stephanenicolas/reflection-no-reflection - A proof on concept to create an API that is 100% compatible reflection API, but without any reflection. Performance stuff for Android and Java.
kyleduo/iCometClient4j - Client of iComet server for Java/Android. iComet server: https://github.com/ideawu/icomet
FacePlusPlus/facepp-java-sdk - Face++ SDK for Java, can be used in Android project.
slagyr/limelight - GUI library for Ruby/Clojure/Java
zserge/log - Ultimately minimal (yet very convenient) logger for Android and Java
s-u/rJava - R to Java interface
goldmansachs/gs-collections - A supplement or replacement for the Java Collections Framework. We are pleased to announce that GS Collections has been migrated to the Eclipse Foundation, re-branded as Eclipse Collections.
wsieroci/audiorecognizer - Shazam in Java
0opslab/utils - Java utils
yxjiang/algorithms - Include the common algorithm questions in leetcode, cc150 implemented in Java and Python, including test cases.
seatgeek/sixpack-java - A Java client for the Sixpack A/B testing framework https://github.com/seatgeek/sixpack
jmkgreen/morphia - MongoDB object-document mapper in Java. Uses mongo-java-driver. [UNMAINTAINED]
MutabilityDetector/MutabilityDetector - Lightweight analysis tool for detecting mutability in Java classes
CardinalNow/AndroidAutowire - A Java Annotation approach to Android Views, Activities, and Fragments
rjohnsondev/java-libpst - A library to read PST files with java, without need for external libraries.
ppeccin/javatari - A multiplayer Atari 2600 emulator written in pure Java using no libs
blackberry/Samples-for-Java - Samples for BBOS Java Apps
mrniko/redisson - Redisson - distributed Java objects and services (Set, Multimap, SortedSet, Map, List, Queue, BlockingQueue, Deque, BlockingDeque, Semaphore, Lock, AtomicLong, CountDownLatch, Publish / Subscribe, Bloom filter, Remote service, Spring cache, Executor service, Live Object service, Scheduler service) on top of Redis server.
thebuzzmedia/imgscalr - Simple Java image-scaling library implementing Chris Campbell's incremental scaling algorithm as well as Java2D's "best-practices" image-scaling techniques.
nhl/bootique - Bootique is a minimally opinionated platform for modern runnable Java apps.
NovaMods/nova-renderer - A mod to replace Minecraft's Java OpenGL2.1 renderer with a C++ OpenGL 4.5 renderer
SidneyXu/AndroidDemoIn4Languages - Comparison among Java, Groovy, Scala, Kotlin in Android Development.
ning/async-http-client - Asynchronous Http Client for Java
GoogleCloudPlatform/gcloud-java - Google Cloud Client Library for Java
callmeal/Flickr4Java - Java API For Flickr. Fork of FlickrJ
wblut/HE_Mesh2014 - HE_Mesh, a Java library for creating and manipulating polygonal meshes. Aimed primarily at Processing.
palantir/Cinch - A Java library that manages component action/event bindings for MVC patterns
Cetsoft/imcache - Imcache is a Java Caching Library.
mrwilson/java-dirty - File-backed append-only object store.
anthonyu/KeptCollections - Distributed Java Collections for ZooKeeper
lastfm/musicbrainz-data - MusicBrainz Java data bindings using Hibernate
gwt-test-utils/gwt-test-utils - gwt-test-utils is a Java framework that allows to test GWT client side code in a efficient, easy way
dwdyer/uncommons-maths - Random number generators, probability distributions, combinatorics and statistics for Java.
shrinkwrap/shrinkwrap - Java API for Archive Manipulation
caelum/restfulie-java - restfulie implementation in java, with support to vraptor
rithms/riot-api-java - Riot Games API Java Library
OpenHFT/SmoothieMap - A gulp of low latency Java
danieldk/dictomaton - Finite state dictionaries in Java
brunoborges/fx2048 - The game 2048, built using JavaFX and Java 8
torakiki/sejda - An extendible and configurable PDF manipulation layer library written in java.
thillerson/oreilly_android - This is the source code referenced in the O'Reilly Online Course: Developing Android Applications with Java. More information can be found here: http://training.oreilly.com/androidapps-java/
nurkiewicz/LazySeq - Lazy sequences implementation for Java 8
life0fun/wifi-direct-chat - A peer to peer chat app through wifi direct using java nio channels
kabutz/javaspecialists - The Java Specialists' Newsletter Sources
jkiddo/gmusic.api - An unofficial Java api for Google Music
smola/galimatias - galimatias is a URL parsing and normalization library written in Java.
pushkar/ABAGAIL - The library contains a number of interconnected Java packages that implement machine learning and artificial intelligence algorithms. These are artificial intelligence algorithms implemented for the kind of people that like to implement algorithms themselves.
poidasmith/winrun4j - WinRun4J Java Application Launcher
killme2008/gecko - A RPC framework in taobao based on java NIO.
katjas/PDFrenderer - Java library for rendering PDF documents to the screen using Java2D
fluent/fluent-logger-java - A structured logger for Fluentd (Java)
yareally/Java7-on-Android - Java 7 features backported to Android 2.2+
xiaoningning/algorithm - Algorithm, data structure and java coding.
WantedTechnologies/xpresso - The pythonic way to code in Java.
samtingleff/jchronic - Natural language date parsing in Java, ported directly from Ruby's chronic
opoo/opoopress - OpooPress framework is a java based blog aware static site generator.
OpenHFT/Chronicle-Logger - A sub microsecond java logger, supporting standard logging APIs such as Slf & Log4J
jcabi/jcabi-ssh - Java SSH client
gearman/java-service - Gearman Java Service
alibaba/jstorm - Java Storm
jayway/rest-assured - Java DSL for easy testing of REST services
Netflix/feign - Feign makes writing java http clients easier
fge/json-schema-validator - A JSON Schema validation implementation in pure Java, which aims for correctness and performance, in that order
andimarek/graphql-java - GraphQL Java implementation
karussell/snacktory - Readability clone in Java
jayway/awaitility - Awaitility is a small Java DSL for synchronizing asynchronous operations
begeekmyfriend/yasea - RTMP streaming client in pure Java for Android for those who hate JNI.
fge/json-patch - An RFC 6902 (JSON Patch) and reverse, plus RFC 7386 (JSON Merge Patch), implementation in Java using Jackson (2.2.x)
Jasig/java-cas-client - Apereo Java CAS Client
gondor/openstack4j - A Fluent OpenStack Client Library for Java
RisingOak/jenkins-client - A Jenkins API client for Java
dvx/jssembly - Jssembly is a library that allows you to execute native assembly from Java.
mapfish/mapfish-print - A component of MapFish for printing templated cartographic maps. This module is the Java serverside module. For support post to the mailing list: https://groups.google.com/forum/#!forum/mapfish-print-users
cognitect-labs/transducers-java - A Java implementation of Transducers
mandubian/siena - Siena is a persitence API for Java inspired on the Google App Engine Python Datastore API
janpetryk/reddit-bot - Java Reddit bot project.
elastic/elasticsearch-lang-javascript - JavaScript language Plugin for elasticsearch
Renanse/Ardor3D - Ardor3D is a free Java based, professionally oriented, open source 3D graphics engine.
ymnk/jzlib - re-implementation of zlib in pure Java
thekrakken/java-grok - Simple API that allows you to easily parse logs and other files
angryziber/simple-java - Code for the talk at GOTOCon Prague & Amsterdam about writing simple web apps - Plain Simple Java, and another one at Topconf - 3 tales of testing DB-enabled apps
Karumi/KataContactsJava - KataContacts written in Java. The main goal is to practice Clean Architecture Development.
AurelienRibon/sliding-layout - A powerful Java Swing panel/layout with cool transitions involving sliding subpanels
stanfordnlp/phrasal - A large-scale statistical machine translation system written in Java.
preon/preon - Bit syntax for Java
imglib/imglib2 - A generic next-generation Java library for image processing
thrau/jarchivelib - A simple archiving and compression library for Java
jvansteirteghem/apjp - APJP is a proxy written in JAVA, PHP, PYTHON and RUBY.
adyliu/zkclient - zkclient - A simple and effective Java client for zookeeper (both support zookeeper 3.3.x/3.4.x)
abstractj/kalium - Java binding to the Networking and Cryptography (NaCl) library with the awesomeness of libsodium
uudashr/jsmpp - Java SMPP (Short Message Peer-to-peer Protocol) API
miguno/avro-hadoop-starter - Example MapReduce jobs in Java, Hive, Pig, and Hadoop Streaming that work on Avro data.
bencall/RPlay - Java port of shairport
romix/java-concurrent-hash-trie-map - Java port of a concurrent trie hash map implementation from the Scala collections library
ralscha/extdirectspring - Implementation of the Ext Direct protocol with Java and Spring
laiweiwei/eweb4j-framework - easy web framework for java
callumj/opengraph-java - A Java object representation of the Open Graph protocol for a web page
adamhub/screenbird - a full cross platform video screen capture tool and host. Java based screen recorder, and Django based web backend. Also included is a distributed video processing engine that uses ffmpeg across any amount of AWS instances.
OpenHFT/Java-Runtime-Compiler - Java Runtime Compiler
usb4java/usb4java - USB library for Java based on libusb and implementing javax.usb (JSR-80).
taylorleese/google-app-engine-jappstart - Java framework for Google App Engine
nvkelso/color-oracle-java - color-oracle-java
googleads/googleads-java-lib - Google Ads APIs Client Library for Java (AdWords, DFA, and DFP)
craigwblake/redline - Pure Java Rpm Library
junit-team/junit - A programmer-oriented testing framework for Java.
rovo89/XposedBridge - The Java part of the Xposed framework.
googlesamples/cardboard-java - Google Cardboard
greenrobot/greenrobot-common - General purpose utilities and hash functions for Android and Java (aka java-common)
OpenHFT/Koloboke - Java Collections till the last breadcrumb of memory and performance
jaredsburrows/android-gradle-java-template - Gradle + Android Studio + Robolectric + Espresso + Mockito + EasyMock/PowerMock + JaCoCo
cfregly/fluxcapacitor - Flux Capacitor is a Java-based, cloud-native, reference architecture demonstrating many of the Netflix Open Source projects. *** Note: If you're looking for the Spark-based, Big Data Pipeline project, it's here: https://github.com/fluxcapacitor ***
aol/simple-react - Powerful Future Streams & Async Data Structures for Java 8
OpenHFT/HugeCollections - Huge Collections for Java using efficient off heap storage
douglascrockford/JSON-java - A reference implementation of a JSON package in Java.
lemire/RoaringBitmap - A better compressed bitset in Java
kazuhikoarase/qrcode-generator - QR Code Generator implementation in ActionScript3, Java, JavaScript and more.
mbosecke/pebble - Java Templating Engine
alibaba/multi-thread-context - 🐙 multi-thread context(MTC), a simple java lib for transmitting context between threads even using thread pool.
ceylon/ceylon-compiler - Ceylon compiler (ceylonc: Java backend), Ceylon documentation generator (ceylond) and Ceylon ant tasks.
greenlaw110/Rythm - A "Razor" like, rich featured, high performance and easy to use Java template engine
damianszczepanik/cucumber-reporting-jenkins - Java jenkins plugin for cucumber-jvm reporting
jbachorik/btrace - BTrace - a safe, dynamic tracing tool for the Java platform
jsprit/jsprit - jsprit is a java based, open source toolkit for solving rich vehicle routing problems
pcollections/pcollections - A Persistent Java Collections Library
JesseFarebro/Android-Mqtt - A simple MQTT Service that will keep running for the duration of your Android application using the Paho Java MQTT Client.
wapatesh/icefig - Java elegant supplement
evil0ps/utils - Java utils
void256/nifty-gui - Your Open Source Java OpenGL GUI. Interactive user interfaces for games or similar applications. LWJGL, JOGL, JME or Java2d rendering.
chocoteam/choco3 - An open-source Java library for Constraint Programming
h3xstream/find-sec-bugs - The FindBugs plugin for security audits of Java web applications and Android applications. (Also work with Scala and Groovy projects)
jtwig/jtwig - Java modern template engine
benas/easy-rules - The stupid Java rules engine
aima-java/aima-java - Java implementation of algorithms from Norvig And Russell's "Artificial Intelligence - A Modern Approach"
influxdb/influxdb-java - Java client for InfluxDB
ingokegel/jclasslib - jclasslib bytecode viewer is a tool that visualizes all aspects of compiled Java class files and the contained bytecode.
cybergarage/cybergarage-upnp - CyberLink for Java is a development package for UPnP™ developers. CyberLink controls these protocols automatically, and supports to create your devices and control points quickly.
tarzanek/luke - SEE: https://issues.apache.org/jira/browse/LUCENE-2562 + https://github.com/DmitryKey/luke/ , I will slowly drop this repo, I'd love to see luke moved to lucene as module, until then - binary builds are on https://java.net/projects/opengrok/downloads
DongWenDao/apk-parser - Apk parser lib with pure java
vanZeben/2D-Game-Engine - A 2D Game engine built with only native Java libraries. Part of a tutorial series @ http://vanZeben.ca/java/2d_game_dev
FreakDev/PhoneGap-Android-HTML5-WebSocket - a little java implementation of missing WebSocket form Android webview
akkumar/jreversepro - JReversePro Java Decompiler
mbreese/couchdb4j - CouchDB library for Java using JSON
happygiraffe/jslint4java - A Java wrapper around Doug Crockford's marvellous jslint tool.
florinpatrascu/micro - a modular micro MVC framework for Java web applications
rufiao/persist - Persist is a Java ORM/DAO library designed for high performance, ease of use and integration.
light/JOps - Operator Overloading for Java
evllabs/JGAAP - The Java Graphical Authorship Attribution Program
analytically/camelcode - Java+Play Framework tech demo that imports the CodePoint Open UK postcode dataset and offers a Geocoding REST API and a postcode map.
raymyers/JHaml - Haml (XHTML Abstraction Markup Language) implementation in Java.
darrinholst/sass-java - A Sass compiling filter for Java web apps
flipkart-incubator/Lois - Golang like channels for java
hyperic/jcollectd - Java integration for collectd
serkan-ozal/jillegal - Java Off Heap Object Pool and On the Fly Instrumentation Tool
nzakas/props2js - Tool to convert Java properties files into JavaScript
mkovatsc/Californium-inf.ethz.ch - Californium (Cf) CoAP framework (Java implementation)
contra/JMD - Java bytecode analysis/deobfuscation tool
StreakYC/mache - Java App Engine -> BigQuery log export framework
Gornova/MarteEngine - MarteEngine is a Java Engine for videogames
jalkanen/speed4j - Speed4J is a simple performance analysis library for Java.
brianm/gressil - Safe daemonization from within Java
OpenTSDB/async - Building blocks for asynchronous Java processing inspired by Twisted's API.
newrelic-platform/newrelic_mysql_java_plugin - MySQL Metrics Plugin
mozilla-metrics/akela - A bunch of utility classes for Java, Hadoop, HBase, Pig, etc.
Ecwid/ecwid-mailchimp - MailChimp API Wrapper for Java
subchen/jetbrick-template-1x - Java template engine, quickly and easily.
erikrozendaal/cqrs-lottery - Java example Domain-Driven-Design Command-Query Responsibility Separation
sk89q/Intake - IoC-oriented Java command parsing library
pushtorefresh/javac-warning-annotation - Lightweight javac @Warning annotation
jacoco/eclemma - 🌒 EclEmma - Java Code Coverage Plug-in for Eclipse
niwinz/jnanomsg - Clojure and Java bindings for nanomsg (build on top of JNA).
matlux/jvm-breakglass - This project generates a jar file that you can dump into a Java or Clojure project to startup a repl or an nrepl server to listen on a port. Once the repl is started, you can access it with an nRepl client.
aerospike/aerospike-client-java - Aerospike Java Client Library
PredictionIO/PredictionIO-Java-SDK - PredictionIO Java SDK
JakeWharton/RxJava2-Java6 - An automated backport of RxJava 2 to support Java 6.
AdamBien/javaee7-essentials-archetype - A quickstart maven archetype for creating greenfield JavaEE 7 projects
olap4j/olap4j - Open Java API for OLAP
amelentev/java-oo - Java Operator Overloading
EsotericSoftware/minlog - Minimal overhead Java logging
xgouchet/Ted - Ted is a text editor for Android, written in java
tyrus-project/tyrus - Tyrus - Reference implementation of Java API for WebSocket - JSR 356
timroes/aXMLRPC - A lightweight Java XML-RPC client for the use with Android. Since there is absolutely no dependency to any android specific library (and I assure, that it never will have any), it also works fine in normal Java applications. Read the README.md file for more information.
panterch/ch.panter.projectzero - Java Kickstart Project
docusign/DocuSign-SOAP-SDK - Wraps the DocuSign eSignature SOAP API in 5 different languages: Java, C#, PHP, Ruby, Salesforce (Apex)
delight-im/Emoji - Emoji (Unicode) and emoticon support for Java and Android
bengarney/PBLabsProfiler - A simple sampling Java/SWT profiler for Flash applications. Under the GPL license.
barchart/barchart-udt - Java wrapper for native C++ UDT protocol.
Gocnak/Botnak - A Java-based IRC chat client with focus on Twitch.tv streams.
splunk/splunk-sdk-java - Splunk Software Development Kit for Java
radsz/jacop - Java Constraint Programming solver
openshift/openshift-java-client - Java Client for the OpenShift REST API
dell-oss/Mensa - Mensa is a generic, flexible, enhanced, and efficient Java implementation of a pattern matching state machine as described by the 1975 paper by Alfred V. Aho and Margaret J. Corasick: Efficient string matching: An aid to bibliographic search.
benas/jPopulator - Populate your java beans with random data
FellowTraveler/otapij - A Java GUI for Open Transactions
vladimirvivien/clamshell-cli - A framework to build command-line console applications in Java
marcojakob/javafx-ui-sandbox - Sandbox UI Controls from the official OpenJFX repository
jeevatkm/digitalocean-api-java - DigitalOcean API Client in Java
drallgood/jpasskit - jPasskit is an Java™ implementation of the Apple™ PassKit Web Service.
OmarElGabry/DesignPatterns - Examples of Design Patterns in Java
killme2008/hs4j - HandlerSocket client for java
gaia-ucm/jbt - Java Behaviour Trees is a Java framework for easily building and running generic behaviour trees. Here, "behaviour tree" refers to the technique used to control the behaviour of characters in video games.
froks/JAirPort - JAirPort - A Java-Airplay Server
dennisjzh/GwtMobile-PhoneGap - gwtmobile-phonegap is a GWT wrapper of the PhoneGap Javascript library. PhoneGap is a cross-platform development framework that provides core mobile device features to web-based mobile apps. GWT by Google is a new way of developing web applications -- write apps in Java then compile into javascript. gwtmobile-phonegap enables a GWT mobile application to use PhoneGap functions.
arimus/jmimemagic - jMimeMagic is a Java library for determining the MIME type of files or streams.
abudaan/MIDIBridge - An implementation in Java and Javascript of the W3C proposal for MIDI support in browsers by Jussi Kalliokoski
MateVM/MateVM - A Java JIT compiler written in Haskell
thomasjungblut/thomasjungblut-common - this is going to be my code-sink. mainly for java files
nabeelmukhtar/github-java-sdk - This project aims to provide a Java wrapper for Github API.
mark-watson/java_practical_semantic_web - Code examples for my book "Practical Semantic Web Programming (Java, Scala, Clojure, and JRuby Edition)
jruby/joni - Java port of Oniguruma regexp library
jmarranz/relproxy - Simple Java and Groovy hot class reloader and Java based shell and scripting
jhades/jhades - JHades - Java classpath troubleshooting tool
jOOQ/jOOQ-s-Java-8-Goodies - At Data Geekery, we love Java and we're excited about all the goodies that Java 8 will bring to our ecosystem. We've blogged about Java 8 extensively, and with this project, we'd like to share a couple of awesome examples with you, the Java community. For more goodies, visit our blog: http://blog.jooq.org/tag/java-8/
hraberg/enumerable - Ruby/Smalltalk style internal iterators for Java 5 using bytecode transformation to capture expressions as closures.
gaohannk/leetcode - the solution of leetcode using java
dima767/inspektr - Lightweight non-Intruisive Auditing and Logging capabilities for Java
cowtowncoder/java-merge-sort - Basic stand-alone disk-based N-way merge sort component for Java
JorenSix/TarsosLSH - A Java library implementing Locality-sensitive Hashing (LSH), a practical nearest neighbour search algorithm for multidimensional vectors that operates in sublinear time.
Devexperts/aprof - Java memory allocation profiler
AdoptOpenJDK/mjprof - A monadic java profiler
willuhn/hibiscus - A Java based, plattform independent (running on Linux, Windows, OS X, OpenBSD, OpenSolaris) homebanking application, that uses the german FinTS/HBCI standard. All data (accounts, transactions, addresses, ..) are stored encrypted into an embedded database (H2) by default or on a Mysql server (if configured). Hibiscus runs as a plugin within the Jameica framework as either a typical desktop application or headless in server mode.
usc/wechat-mp-sdk - wechat management platform java sdk
l3nz/ObjectiveSync - A thin Java object persistence layer for JDBC
graphaware/neo4j-timetree - Java and REST APIs for working with time-representing tree in Neo4j
dweiss/java-sizeof - Memory consumption estimator for Java
Mojang/AccountsClient - Java client for accessing Mojang's account/profile API
linux-china/weixin-robot-java - 微信公共平台机器人Java SDK
nostra13/Android-Universal-Image-Loader - Powerful and flexible library for loading, caching and displaying images on Android.
nathanmarz/storm - Distributed and fault-tolerant realtime computation: stream processing, continuous computation, distributed RPC, and more
jfeinstein10/SlidingMenu - An Android library that allows you to easily create applications with slide-in menus. You may use it in your Android apps provided that you cite this project and include the license in your app. Thanks!
google/iosched - The Google I/O 2014 Android App
JakeWharton/ActionBarSherlock - [DEPRECATED] Action bar implementation which uses the native action bar on Android 4.0+ and a custom implementation on pre-4.0 through a single API and theme.
loopj/android-async-http - An Asynchronous HTTP Library for Android
square/picasso - A powerful image downloading and caching library for Android
spring-projects/spring-framework - The Spring Framework
JakeWharton/ViewPagerIndicator - Paging indicator widgets compatible with the ViewPager from the Android Support Library and ActionBarSherlock.
excilys/androidannotations - Fast Android Development. Easy maintainance.
facebook/fresco - An Android library for managing images and the memory they use.
futurice/android-best-practices - Do's and Don'ts for Android development, by Futurice developers
chrisbanes/Android-PullToRefresh - DEPRECATED
netty/netty - Netty project - an event-driven asynchronous network application framework
JakeWharton/butterknife - View "injection" library for Android.
navasmdc/MaterialDesignLibrary - This is a library with components of Android L to you use in android 2.2
clojure/clojure - The Clojure programming language
WhisperSystems/TextSecure - A private messenger for Android.
google/physical-web - The Physical Web: walk up and use anything
EnterpriseQualityCoding/FizzBuzzEnterpriseEdition - FizzBuzz Enterprise Edition is a no-nonsense implementation of FizzBuzz made by serious businessmen for serious business purposes.
bumptech/glide - An image loading and caching library for Android focused on smooth scrolling
nhaarman/ListViewAnimations - An Android library which allows developers to easily add animations to ListView items
chrisbanes/PhotoView - Implementation of ImageView for Android that supports zooming, by various touch gestures.
ksoichiro/Android-ObservableScrollView - Android library to observe scroll events on scrollable views.
astuetz/PagerSlidingTabStrip - An interactive indicator to navigate between the different pages of a ViewPager
Netflix/Hystrix - Hystrix is a latency and fault tolerance library designed to isolate points of access to remote systems, services and 3rd party libraries, stop cascading failure and enable resilience in complex distributed systems where failure is inevitable.
facebook/presto - Distributed SQL query engine for running interactive analytic queries against big data sources.
AndroidBootstrap/android-bootstrap - A template/bootstrap/boilerplate application that includes tons of great open source tools and frameworks.
aporter/coursera-android - Source Code for Android Course Example Applications
gabrielemariotti/cardslib - Android Library to build a UI Card
googlesamples/android-UniversalMusicPlayer - This sample shows how to implement an audio media app that works across multiple form factors and provide a consistent user experience on Android phones, tablets, Auto, Wear and Cast devices
etsy/AndroidStaggeredGrid - An Android staggered grid view which supports multiple columns with rows of varying sizes.
koush/ion - Android Asynchronous Networking and Image Loading
afollestad/material-dialogs - A beautiful, easy-to-use, and customizable dialogs API, enabling you to use Material designed dialogs down to API 8.
daimajia/AndroidSwipeLayout - The Most Powerful Swipe Layout!
umano/AndroidSlidingUpPanel - This library provides a simple way to add a draggable sliding up panel (popularized by Google Music and Google Maps) to your Android application. Brought to you by Umano.
facebook/facebook-android-sdk - Used to integrate Android apps with Facebook Platform.
sparklemotion/nokogiri - Nokogiri (鋸) is an HTML, XML, SAX, and Reader parser with XPath and CSS selector support.
daimajia/AndroidViewAnimations - Cute view animation collection.
LMAX-Exchange/disruptor - High Performance Inter-Thread Messaging Library
roboguice/roboguice - Google Guice on Android, version 3.0
chrisbanes/cheesesquare - Demos the new Android Design library.
facebook/stetho - Stetho is a debug bridge for Android applications, enabling the powerful Chrome Developer Tools and much more.
chrisbanes/ActionBar-PullToRefresh - DEPRECATED
emilsjolander/StickyListHeaders - An android library for section headers that stick to the top
square/otto - An enhanced Guava-based event bus with emphasis on Android support.
Netflix/SimianArmy - Tools for keeping your cloud operating in top form. Chaos Monkey is a resiliency tool that helps applications tolerate random instance failures.
thinkaurelius/titan - Distributed Graph Database
google/bazel - Correct, reproducible, and fast builds for everyone.
greenrobot/greenDAO - greenDAO is a light & fast ORM solution for Android that maps objects to SQLite databases.
pardom/ActiveAndroid - Active record style SQLite persistence for Android
amlcurran/ShowcaseView - Highlight the best bits of your app to users quickly, simply, and cool...ly
lucasr/twoway-view - RecyclerView made simple
fernandezpablo85/scribe-java - Simple OAuth library for Java
wyouflf/xUtils - android orm, bitmap, http, view inject...
JakeWharton/NineOldAndroids - [DEPRECATED] Android library for using the Honeycomb animation API on all versions of the platform back to 1.0!
springside/springside4 - A Spring Framework based, pragmatic style JavaEE application reference architecture.
koush/AndroidAsync - Asynchronous socket, http (client+server), websocket, and socket.io library for android. Based on nio, not threads.
keyboardsurfer/Crouton - Context sensitive notifications for Android
PaoloRotolo/AppIntro - Make a cool intro for your Android app.
nicolasgramlich/AndEngine - Free Android 2D OpenGL Game Engine
liaohuqiu/android-Ultra-Pull-To-Refresh - Ultra Pull to Refresh for Android. Support all the views.
makovkastar/FloatingActionButton - Android floating action button
openzipkin/zipkin - Zipkin is a distributed tracing system
gradle/gradle - A powerful build system for the JVM
cyrilmottier/GreenDroid - GreenDroid is a development library for the Android platform. It makes UI developments easier and consistent through your applications.
stephanenicolas/robospice - Repo of the Open Source Android library : RoboSpice. RoboSpice is a modular android library that makes writing asynchronous long running tasks easy. It is specialized in network requests, supports caching and offers REST requests out-of-the box using extension modules.
castorflex/SmoothProgressBar - A small Android library allowing you to have a smooth and customizable horizontal indeterminate ProgressBar
ReactiveX/RxAndroid - RxJava bindings for Android
futuresimple/android-floating-action-button - Floating Action Button for Android based on Material Design specification
ManuelPeinado/FadingActionBar - Android library implementing a fading effect for the action bar, similar to the one found in the Play Music app
SimonVT/android-menudrawer - DEPRECATED A slide-out menu implementation, which allows users to navigate between views in your app.
dmytrodanylyk/circular-progress-button - Android Circular Progress Button
chrisjenx/Calligraphy - Custom fonts in Android the easy way...
bauerca/drag-sort-listview - Android ListView with drag and drop reordering.
johannilsson/android-pulltorefresh - This project aims to provide a reusable pull to refresh widget for Android.
mcxiaoke/android-volley - Android Volley Library Mirror
Prototik/HoloEverywhere - NO LONGER MAINTAINED. DEVELOP FOR 4.X+ DUDE.
Trinea/android-common - Android common lib, include ImageCache, HttpCache, DropDownListView, DownloadManager, Utils and so on
apache/storm - Mirror of Apache Storm
apache/cassandra - Mirror of Apache Cassandra
traex/RippleEffect - Implementation of Ripple effect from Material Design for Android API 9+
googlesamples/android-topeka - A fun to play quiz that showcases material design on Android
JetBrains/intellij-community - IntelliJ IDEA Community Edition
ACRA/acra - Application Crash Reports for Android
square/android-times-square - Standalone Android widget for picking a single date from a calendar view.
JakeWharton/u2020 - A sample Android app which showcases advanced usage of Dagger among other open source libraries.
yangfuhai/afinal - Afinal是一个android的ioc，orm框架，内置了四大模块功能：FinalAcitivity,FinalBitmap,FinalDb,FinalHttp。通过finalActivity，我们可以通过注解的方式进行绑定ui和事件。通过finalBitmap，我们可以方便的加载bitmap图片，而无需考虑oom等问题。通过finalDB模块，我们一行代码就可以对android的sqlite数据库进行增删改查。通过FinalHttp模块，我们可以以ajax形式请求http数据。详情请通过以下网址查看。
hdodenhof/CircleImageView - A circular ImageView for Android
Comcast/FreeFlow - A layout engine for Android that decouples layouts from the View containers that manage scrolling and view recycling. FreeFlow makes it really easy to create custom layouts and beautiful transition animations as data and layouts change
alibaba/druid - 为监控而生的数据库连接池！
k9mail/k-9 - K-9 Mail – Advanced Email for Android
theDazzler/droidicon - Over 1600 customizable icons for Android including 750+ Google Material Design icons, 25 ready-made social badges, and more!
processing/processing - Source code for the Processing Development Environment (PDE)
orientechnologies/orientdb - OrientDB is the first Multi-Model DBMS with Document & Graph engine. OrientDB can run distributed (Multi-Master), supports SQL, ACID Transactions, Full-Text indexing, Reactive Queries and has a small memory footprint. OrientDB is licensed with Apache 2 license and the development is driven by Orient Technologies and a wide Open Source community.
JakeWharton/hugo - Annotation-triggered method call logging for your debug builds.
vinc3m1/RoundedImageView - A fast ImageView that supports rounded corners, ovals, and circles.
rengwuxian/MaterialEditText - EditText in Material Design
openaphid/android-flip - A component for flip animation on Android, which is similar to the effect in Flipboard iPhone/Android
druid-io/druid - Column oriented distributed data store ideal for powering interactive applications
go-lang-plugin-org/go-lang-idea-plugin - Google Go language IDE built using the IntelliJ Platform
airbnb/aerosolve - A machine learning package built for humans.
qii/weiciyuan - Sina Weibo Android Client
jgilfelt/android-viewbadger - A simple way to "badge" any given Android view at runtime without having to cater for it in layout
yui/yuicompressor - YUI Compressor
neo4j/neo4j - Graphs for Everyone
BoltsFramework/Bolts-Android - Bolts is a collection of low-level libraries designed to make developing mobile apps easier.
romannurik/muzei - Muzei Live Wallpaper for Android
JetBrains/kotlin - The Kotlin Programming Language
daimajia/AndroidImageSlider - An amazing and convenient Android image slider.
twall/jna - Java Native Access
daimajia/NumberProgressBar - A beautiful, slim Android ProgressBar.
pedrovgs/EffectiveAndroidUI - Sample project created to show some of the best Android practices to work in the Android UI Layer. The UI layer of this project has been implemented using MVP or MVVM (without binding engine) to show how this patterns works. This project is used during the talk "EffectiveAndroidUI".
androidquery/androidquery - AndroidQuery
singwhatiwanna/dynamic-load-apk - DL : dynamic load framework in android
path/android-priority-jobqueue - A Job Queue specifically written for Android to easily schedule jobs (tasks) that run in the background, improving UX and application stability.
jgilfelt/SystemBarTint - Apply background tinting to the Android system UI when using KitKat translucent modes
h2oai/h2o-2 - h2o = fast statistical, machine learning & math runtime for bigdata
frogermcs/InstaMaterial - Implementation of Instagram with Material Design (originally based on Emmanuel Pacamalan's concept)
yixia/VitamioBundle - Vitamio for Android
jeresig/processing-js - A port of the Processing visualization language to JavaScript.
avast/android-styled-dialogs - Backport of Material dialogs with easy-to-use API based on DialogFragment
gocd/gocd - Main repository for Go Continuous Delivery
dmytrodanylyk/android-process-button - Android Buttons With Built-in Progress Meters.
koral--/android-gif-drawable - Views and Drawable for displaying animated GIFs on Android
pakerfeldt/android-viewflow - A horizontal view scroller library for Android
SpecialCyCi/AndroidResideMenu - The idea of ResideMenu is from Dribbble 1 and 2. It has come true and run in iOS devices. iOS ResideMenu This project is the RefsideMenu Android version. The visual effect is partly referred to iOS version of ResideMenu. And thanks to the authors for the above idea and contribution.
reactor/reactor - Reactor is a foundational library for building reactive fast-data applications on the JVM.
Wizcorp/phonegap-facebook-plugin - The official plugin for Facebook in Apache Cordova/PhoneGap
ikew0ng/SwipeBackLayout - An Android library that help you to build app with swipe back gesture.
jfeinstein10/JazzyViewPager - An easy to use ViewPager that adds an awesome set of custom swiping animations. Just change your ViewPagers to JazzyViewPagers, two more steps, and you're good to go!
Bukkit/Bukkit - The Minecraft Mod API
lgvalle/Material-Animations - Android Transition animations explanation with examples.
derekbrameyer/android-betterpickers - Android library for better Picker DialogFragments
markushi/android-ui - Android UI library.
tjerkw/Android-SlideExpandableListView - A better ExpandableListView, with animated expandable views for each list item
openhab/openhab - Source code of the open Home Automation Bus (openHAB)
haifengl/smile - Statistical Machine Intelligence & Learning Engine
google/closure-compiler - A JavaScript checker and optimizer.
pedrovgs/DraggablePanel - Android library used to create an awesome Android UI based on a draggable element similar to the last YouTube graphic component.
Bilibili/DanmakuFlameMaster - 大弹幕时代来临了,这里是Android上最好的开源弹幕引擎·烈焰弹幕使～被弹幕吞噬吧!
jdamcd/android-crop - Android library project for cropping images
race604/FlyRefresh - The implementation of https://dribbble.com/shots/2067564-Replace
tobie/ua-parser - A multi-language port of Browserscope's user agent parser.
voldemort/voldemort - An open source clone of Amazon's Dynamo.
Todd-Davies/ProgressWheel - A progress wheel for android, intended for use instead of the standard progress bar.
SecUpwN/Android-IMSI-Catcher-Detector - AIMSICD • Fight IMSI-Catcher, StingRay and silent SMS!
amplab/tachyon - A Reliable Memory Centric Distributed Storage System
pedant/sweet-alert-dialog - SweetAlert for Android, a beautiful and clever alert dialog
daimajia/AndroidViewHover - An elegant way to show your menu or messages.
CyberAgent/android-gpuimage - Android filters based on OpenGL (idea from GPUImage for iOS)
fqrouter/fqrouter - anti-GFW router
square/sqlbrite - A lightweight wrapper around SQLiteOpenHelper which introduces reactive stream semantics to SQL operations.
kikoso/android-stackblur - Android StackBlur is a library that can perform a blurry effect on a Bitmap based on a gradient or radius, and return the result. The library is based on the code of Mario Klingemann.
typesafehub/config - Configuration library for JVM languages
beworker/pinned-section-listview - Easy to use ListView with pinned sections for Android.
ogaclejapan/SmartTabLayout - A custom ViewPager title strip which gives continuous feedback to the user when scrolling
grails/grails-core - The Grails Web Application Framework
alibaba/dexposed - dexposed enable 'god' mode for single android application.
JohnPersano/SuperToasts - A library that extends the Android toast framework.
robovm/robovm - Java bytecode ahead-of-time compiler and runtime library based on Android targeting iOS, Mac OS X and Linux
wildfly/wildfly - WildFly Application Server
nispok/snackbar - [DEPRECATED] Android Library that implements Snackbars from Google's Material Design documentation.
gaylemcd/ctci - Cracking the Coding Interview
lecho/hellocharts-android - Charts/graphs library for Android compatible with API 8+, several chart types with support for scaling, scrolling and animations
videlalvaro/gifsockets - Real Time communication library using Animated Gifs as a transport™
OpenTSDB/opentsdb - A scalable, distributed Time Series Database.
Netflix/ice - AWS Usage Tool
flavienlaurent/NotBoringActionBar - News Stand app makes the ActionBar not boring!
spring-projects/spring-mvc-showcase - Demonstrates the features of the Spring MVC web framework
saulmm/Android-Material-Examples - Little bites of Material Design
PomepuyN/BlurEffectForAndroidDesign - Sample to show how to implement blur graphical tricks
maurycyw/StaggeredGridView - A modified version of Android's experimental StaggeredGridView. Includes own OnItemClickListener and OnItemLongClickListener, selector, and fixed position restore.
bluelinelabs/LoganSquare - Screaming fast JSON parsing and serialization library for Android.
johannilsson/android-actionbar - Android Action Bar Implementation
tinkerpop/gremlin - A Graph Traversal Language
bigbluebutton/bigbluebutton - BigBlueButton is an open source web conferencing system for on-line learning.
groovy/groovy-core - Groovy programming language
edmodo/cropper - Android widget for cropping and rotating an image.
facebook/conceal - Conceal provides easy Android APIs for performing fast encryption and authentication of data.
chrisbanes/philm - Movie collection and information app for Android.
neokree/MaterialNavigationDrawer - Navigation Drawer Activity with material design style and simplified methods
JoanZapata/android-iconify - Android integration of multiple icon providers such as FontAwesome, Entypo, Typicons,...
googlesamples/android-testing - A collection of samples demonstrating different frameworks and techniques for automated testing
JetBrains/ideavim - Vim emulation plug-in for IDEs based on the IntelliJ platform.
psaravan/JamsMusicPlayer - A free, powerful and elegant music player for Android.
stormzhang/9GAG - Android unofficial REST Client of 9GAG.
code-mc/material-icon-lib - Library containing over 1000 material vector icons that can be easily used as Drawable or as a standalone View.
mttkay/ignition - Kick-starts Android application development.
sd6352051/NiftyDialogEffects - Nifty Modal Dialog Effects
commonsguy/cw-advandroid - Source Code to The Busy Coder's Guide To Advanced Android Development
JulienGenoud/android-percent-support-lib-sample - Just a sample of the android percent support lib
xamarin/XobotOS - XobotOS - Android ported to C#
jgilfelt/android-sqlite-asset-helper - An Android helper class to manage database creation and version management using an application's raw asset files
flavienlaurent/datetimepicker - DateTimePicker is a library which contains the beautiful DatePicker that can be seen in the new Google Agenda app.
detro/ghostdriver - Ghost Driver is an implementation of the Remote WebDriver Wire protocol, using PhantomJS as back-end
http-kit/http-kit - http-kit is a minimalist, event-driven, high-performance Clojure HTTP server/client library with WebSocket and asynchronous support
airbnb/airpal - Web UI for PrestoDB.
JakeWharton/Telecine - Record full-resolution video on your Android devices.
Flipboard/bottomsheet - Android component which presents a dismissible view from the bottom of the screen
Netflix/curator - ZooKeeper client wrapper and rich ZooKeeper framework
romainguy/google-io-2014 - Demo for the Material Witness talk I gave at Google I/O.
mikepenz/LollipopShowcase - A simple app to showcase Androids Material Design and some of the cool new cool stuff in Android Lollipop. RecyclerView, CardView, ActionBarDrawerToggle, DrawerLayout, Animations, Android Compat Design, Toolbar
eluleci/FlatUI - CengaLabs - Android FlatUI Kit
romainguy/ViewServer - Local server for Android's HierarchyViewer
novoda/android-demos - Examples of Android applications
alamkanak/Android-Week-View - Android Week View is an android library to display calendars (week view or day view) within the app. It supports custom styling.
JakeWharton/timber - A logger with a small, extensible API which provides utility on top of Android's normal Log class.
rockerhieu/emojicon - A library to show emoji in TextView, EditText (like WhatsApp) for Android
Netflix/eureka - AWS Service registry for resilient mid-tier load balancing and failover.
square/mortar - A simple library that makes it easy to pair thin views with dedicated controllers, isolated from most of the vagaries of the Activity life cycle.
thest1/LazyList - Lazy load of images in Android
Malinskiy/SuperRecyclerView - Pumped up RecyclerView
pushtorefresh/storio - Beautiful API for SQLiteDatabase and ContentResolver
avast/android-butterknife-zelezny - Android Studio plug-in for generating ButterKnife injections from selected layout XML.
worker8/TourGuide - TourGuide is an Android library that aims to provide an easy way to add pointers with animations over a desired Android View
wasabeef/richeditor-android - RichEditor for Android is a beautiful Rich Text WYSIWYG Editor for Android.
orhanobut/hawk - Secure Simple Key-Value Storage for Android
JakeWharton/scalpel - A surgical debugging tool to uncover the layers under your app.
apache/lucene-solr - Mirror of Apache Lucene & Solr
apache/cordova-android - Mirror of Apache Cordova Android
MikeOrtiz/TouchImageView - Adds touch functionality to Android ImageView.
grantland/android-autofittextview - A TextView that automatically resizes text to fit perfectly within its bounds.
tinkerpop/blueprints - A Property Graph Model Interface
satyan/sugar - Insanely easy way to work with Android Database.
baoyongzhang/SwipeMenuListView - A swipe menu for ListView.
siyamed/android-satellite-menu - Android Satellite Menu
rstudio/rstudio - RStudio is an integrated development environment (IDE) for R
square/keywhiz - A system for distributing and managing secrets
cucumber/cucumber-jvm - Cucumber for the JVM
square/flow - A small library that helps with describing an app as a collection of moderately independent screens.
saulmm/Material-Movies - An application about movies with material design
Flowdalic/asmack - A build environment for the XMPP client library Smack on Android
lawloretienne/QuickReturn - Showcases QuickReturn UI Pattern as either a header, footer, or both header and footer
apache/zookeeper - Mirror of Apache Hadoop ZooKeeper
kymjs/KJFrameForAndroid - It's an Android ORM and IOC framework and includes UILibrary, PluginLibrary, HttpLibrary, BitmapLibrary, DBLibrary. KJFrameForAndroid is designed to wrap complexity of the Android native SDK and keep things simple.
ManuelPeinado/GlassActionBar - Android - a library that adds a glass-like effect to the action bar.
qiujuer/Genius-Android - Android Material Design Theme UI and Tool Library.
jjoe64/GraphView - Android Graph Library for creating zoomable and scrollable line and bar graphs.
tehmou/rx-android-architecture - An example project of an Android architecture built on RxJava
purplecabbage/phonegap-plugins - Plugins for use with PhoneGap.
commonsguy/cw-android - Source Code to The Busy Coder's Guide To Android Development
oguzbilgener/CircularFloatingActionMenu - an animated circular menu for Android
Codecademy/EventHub - An open source event analytics platform
harism/android_page_curl - An example application for creating page curl/flip effect on Android using OpenGL ES.
TonicArtos/StickyGridHeaders - This project has been superseded by SuperSLiM, a layout manager for RecyclerView. I strongly recommend using SuperSLiM and not StickyGridHeaders.
ikimuhendis/LDrawer - Android drawer icon with material design animation
RomainPiel/Shimmer-android - An Android TextView with a shimmering effect
white-cat/ThinkAndroid - ThinkAndroid是一个免费的开源的、简易的、遵循Apache2开源协议发布的Android开发框架，其开发宗旨是简单、快速的进行 Android应用程序的开发，包含Android mvc、简易sqlite orm、ioc模块、封装Android httpclitent的http模块, 具有快速构建文件缓存功能，无需考虑缓存文件的格式，都可以非常轻松的实现缓存，它还基于文件缓存模块实现了图片缓存功能，在android中加载的图片的时候，对oom的问题，和对加载图片错位的问题都轻易解决。他还包括了一个手机开发中经常应用的实用工具类，如日志管理，配置文件管理，android下载器模块，网络切换检测等等工具。
twitter/ambrose - A platform for visualization and real-time monitoring of data workflows
antoniolg/MaterialEverywhere - Showcase of the new AppCompat 21, which includes new Material Theme, working in pre-21 devices.
owncloud/android - The ownCloud Android App
M66B/XPrivacy - XPrivacy - The ultimate, yet easy to use, privacy manager
googlemaps/android-maps-utils - Handy extensions to the Google Maps Android API.
RobotiumTech/robotium - Like Selenium, but for Android
Raizlabs/DBFlow - A blazing fast, powerful, and very simple ORM android database library that writes database code for you.
loopj/android-smart-image-view - Android ImageView replacement which allows image loading from URLs or contact address book, with caching
daimajia/AnimationEasingFunctions - Android Animation Easing Functions. Let's make animation more real!
romainguy/road-trip - A sample Android application that demonstrates how to implement various visual effects.
gephi/gephi - trunk
eishay/jvm-serializers - Benchmark comparing serialization libraries on the JVM
romannurik/Android-SwipeToDismiss - Android swipe-to-dismiss mini-library and sample code
square/assertj-android - A set of AssertJ helpers geared toward testing Android.
pnikosis/materialish-progress - A material style progress wheel compatible with 2.3
daCapricorn/ArcMenu - An android custom view which looks like the menu in Path 2.0 (for iOS).
twitter/commons - Twitter common libraries for python and the JVM
ether/pad - Etherpad Open-Source Repository
markushi/android-circlebutton - Circle button widget for Android
johnkil/Android-AppMsg - In-layout notifications. Based on Toast notifications and article by Cyril Mottier (http://android.cyrilmottier.com/?p=773).
jphp-compiler/jphp - An alternative to Zend PHP, like JRuby and Jython only for PHP
MrEngineer13/SnackBar - toast-like alert pattern for Android inspired by the Google Material Design Spec
chenupt/SpringIndicator - A spring indicator like Morning Routine guide.
eoecn/android-app - eoe的Android客户端源码
watabou/pixel-dungeon - Traditional roguelike game with pixel-art graphics and simple interface
todoroo/astrid - Astrid: Android's #1 Task Management Application
torodb/torodb - ToroDB database
pwnall/chromeview - Android WebView implementation that uses the latest Chromium code
dlew/joda-time-android - Joda-Time library with Android specialization
spring-projects/spring-security-oauth - Support for adding OAuth1(a) and OAuth2 features (consumer and provider) for Spring web applications.
mongodb/mongo-hadoop - MongoDB Connector for Hadoop
jackpal/Android-Terminal-Emulator - A VT-100 terminal emulator for the Android OS
matrixxun/ProductTour - ProductTour is android sample project implementing a parallax effect welcome page using PageTransformer, similar to the one found in Google's app like Sheet, Drive, Docs...
facebook/shimmer-android - An easy, flexible way to add a shimmering effect to any view in an Android app.
JoanZapata/android-pdfview - A fast PDF reader component for Android development
amulyakhare/TextDrawable - This light-weight library provides images with letter/text like the Gmail app. It extends the Drawable class thus can be used with existing/custom/network ImageView classes. Also included is a fluent interface for creating drawables and a customizable ColorGenerator.
BonzaiThePenguin/WikiSort - Fast and stable sort algorithm that uses O(1) memory. Public domain.
linkedin/pinot - A realtime distributed OLAP datastore
sephiroth74/ImageViewZoom - Android ImageView widget with zoom and pan capabilities
calabash/calabash-android - Automated Functional testing for Android based on cucumber
lucasr/smoothie - Easy async loading for Android's ListView/GridView
dexafree/MaterialList - An Android library aimed to get the beautiful CardViews that Google shows at its official design specifications
yahoo/squidb - SquiDB is a SQLite database layer for Android
ginatrapani/todo.txt-android - Official Todo.txt Android app for managing your todo.txt file stored in Dropbox.
facebook/device-year-class - A library that analyzes an Android device's specifications and calculates which year the device would be considered "high end”.
mttkay/droid-fu - A utility library for your daily Android needs
jprante/elasticsearch-jdbc - JDBC importer for Elasticsearch
dm77/barcodescanner - Barcode Scanner Libraries for Android
alexvasilkov/FoldableLayout - Android widgets to implement folding animation
antoniolg/androidmvp - MVP Android Example
lzyzsd/CircleProgress - CircleProgress, DonutProgress, ArcProgress
kmshack/Android-ParallaxHeaderViewPager - NewsStand Application for Android's view of play, such as a pager function that implements the code.
mihaip/dex-method-counts - Command-line tool to count per-package methods in Android .dex files
dreamhead/moco - Easy Setup Stub Server
apache/hadoop - Mirror of Apache Hadoop
pingpongboss/StandOut - StandOut lets you easily create floating windows in your Android app.
Tibolte/ElasticDownload - We are not Gif makers, We are developers
flavienlaurent/discrollview - Scroll + discover = DiscrollView
neokree/MaterialTabs - Custom Tabs with Material Design effects
iPaulPro/aFileChooser - Android library that provides a file explorer to let users select files on external storage.
linkedin/rest.li - Rest.li is a REST+JSON framework for building robust, scalable service architectures using dynamic discovery and simple asynchronous APIs.
commonsguy/cwac-camera - CWAC-Camera: Taking Pictures. Made Sensible.
brianfrankcooper/YCSB - Yahoo! Cloud Serving Benchmark
LyndonChin/AndroidRubberIndicator - A rubber indicator
ata4/disunity - An experimental toolset for Unity asset and asset bundle files.
geometer/FBReaderJ - Official FBReaderJ project repository
hmkcode/Android - Android related examples
gabrielemariotti/RecyclerViewItemAnimators - An Android library which provides simple Item animations to RecyclerView items
wordpress-mobile/WordPress-Android - WordPress for Android
twitter/elephant-bird - Twitter's collection of LZO and Protocol Buffer-related Hadoop, Pig, Hive, and HBase code.
jgilfelt/android-mapviewballoons - [DEPRECATED] Simple information balloon annotation for Android MapView
simpligility/android-maven-plugin - Maven Plugin for Android Application development and more
code-mc/loadtoast - Pretty material design toasts with feedback animations
vekexasia/android-edittext-validator - Android form edit text is an extension of EditText that brings data validation facilities to the edittext.
jasonpolites/gesture-imageview - Implements pinch-zoom, rotate, pan as an ImageView for Android 2.1+
koush/UrlImageViewHelper - Android library that sets an ImageView's contents from a url. Manages image downloading, caching, and makes your coffee too.
blackfizz/EazeGraph - An Android chart and graph library
RoboBinding/RoboBinding - A data-binding Presentation Model(MVVM) framework for the Android platform.
baoyongzhang/android-PullRefreshLayout - This component like SwipeRefreshLayout, it is more beautiful than SwipeRefreshLayout.
AntennaPod/AntennaPod - A podcast manager for Android
RomainPiel/Titanic - Android experiment showing a sinking TextView
mcharmas/android-parcelable-intellij-plugin - IntelliJ Plugin for Android Parcelable boilerplate code generation.
h6ah4i/android-advancedrecyclerview - RecyclerView extension library which provides advanced features. (ex. Google's Inbox app like swiping, Play Music app like drag and drop sorting)
antonkrasov/AndroidSocialNetworks - Library for easy work with Facebook, Twitter, LinkedIn and Google on Android
romannurik/Android-WizardPager - Android pager-style wizard flow sample code
guardianproject/ChatSecureAndroid - PLEASE REPORT ALL ISSUES ON OUR PROJECT HERE:
Pkmmte/CircularImageView - Custom view for circular images in Android while maintaining the best draw performance
syncany/syncany - Syncany is a cloud storage and filesharing application with a focus on security and abstraction of storage.
kikoso/Swipeable-Cards - A native library providing a Tinder-like cards effect. A card can be constructed using an image and displayed with animation effects, dismiss-to-like and dismiss-to-unlike, and use different sorting mechanisms.
mcharmas/Android-ReactiveLocation - Small library that wraps Google Play Service API in brilliant RxJava Observables reducing boilerplate to minimum.
mikepenz/AboutLibraries - AboutLibraries is a library to offer some information of libraries.
TonicArtos/SuperSLiM - A layout manager for the RecyclerView with interchangeable linear, grid, and staggered displays of views, all with configurable section headers including the sticky variety as specified in the material design docs.
wrapp/floatlabelededittext - Floating hint from edit text - inspired by Matt D. Smith's design: http://dribbble.com/shots/1254439--GIF-Mobile-Form-Interaction?list=users
romannurik/Android-MonthCalendarWidget - A simple example of a responsive Month Calendar app widget for Android
Quinny898/PersistentSearch - A clone of the Google Now/Maps/Play persistent search bar
tvbarthel/BlurDialogFragment - Library project to display DialogFragment with a blur effect.
cloudera/flume - WE HAVE MOVED to Apache Incubator. https://cwiki.apache.org/FLUME/ . Flume is a distributed, reliable, and available service for efficiently collecting, aggregating, and moving large amounts of log data. It has a simple and flexible architecture based on streaming data flows. It is robust and fault tolerant with tunable reliability mechanisms and many failover and recovery mechanisms. The system is centrally managed and allows for intelligent dynamic management. It uses a simple extensible data model that allows for online analytic applications.
frankiesardo/auto-parcel - Android Parcelable models made easy
SpongePowered/Sponge - A Forge mod that implements SpongeAPI
LarsWerkman/HoloColorPicker - An Android Holo themed colorpicker designed by Marie Schweiz
facebook/network-connection-class - Listen to current network traffic in the app and categorize the quality of the network.
nathanmarz/storm-starter - Learn to use Storm!
tjake/Solandra - Solandra = Solr + Cassandra
reactive-streams/reactive-streams-jvm - Reactive Streams Specification for the JVM
Ereza/CustomActivityOnCrash - Android library that allows launching a custom activity when your app crashes, instead of showing the hated "Unfortunately, X has stopped" dialog.
richardwilly98/elasticsearch-river-mongodb - MongoDB River Plugin for ElasticSearch
Jasig/cas - Apereo CAS - Single Sign On for the Web
wangdan/AisenWeiBo - 新浪微博第三方Android客户端
katzer/cordova-plugin-local-notifications - Cordova Local-Notification Plugin
roomorama/Caldroid - A better calendar for Android
inmite/android-selector-chapek - Android Studio plugin which automatically generates drawable selectors from appropriately named resources.
chenupt/DragTopLayout - Drag down to show a view on the top.
facebookarchive/hadoop-20 - Facebook's Realtime Distributed FS based on Apache Hadoop 0.20-append
linkedin/indextank-engine - Indexing engine for IndexTank
MiCode/Notes - 小米便签社区开源版（Community edition of XM notepad/MIUI notes)
siyamed/android-shape-imageview - Custom shaped android imageview components
asyl/ArcAnimator - ArcAnimator helps to create arc transition animation: 2.3.+
LitePalFramework/LitePal - An Android library that allows developers to use SQLite database extremely easy.
quartzjer/TeleHash - Old v1 repo, please see http://github.org/telehash now.
bmelnychuk/AndroidTreeView - AndroidTreeView. TreeView implementation for android
kanytu/android-parallax-recyclerview - An adapter which could be used to achieve a parallax effect on RecyclerView.
Manabu-GT/ExpandableTextView - Android's TextView that can expand/collapse like the Google Play's app description
JoanZapata/base-adapter-helper - Abstraction for the usual BaseAdapter "ViewHolder" pattern
swissonid/android-design-support-lib-sample - Just Sample how to use the android design support lib
ozodrukh/CircularReveal - Lollipop ViewAnimationUtils.createCircularReveal for everyone 2.3+
undertow-io/undertow - High performance non-blocking webserver
felipecsl/AsymmetricGridView - Android ListView that mimics a GridView with asymmetric items. Supports items with row span and column span
chrisbanes/Android-BitmapCache - Android-BitmapCache is a specialised cache, for use with Android Bitmap objects.
jpardogo/ListBuddies - Android library to achieve in an easy way, the behaviour of the home page in the Expedia app, with a pair of auto-scroll circular parallax ListViews.
GDG-Korea/PinterestLikeAdapterView - An Android multi column list view like Pinterest.
motianhuo/wechat - A High Copy WeChat ,SNS APP (高仿微信)
daimajia/AnimeTaste - Taste global original animation
AltBeacon/android-beacon-library - Allows Android apps to interact with BLE beacons
liquibase/liquibase - Main Liquibase Source
electronicarts/orbit - Orbit - Build distributed and scalable online services
dinocore1/DevsmartLib-Android - A Horizontal ListView for Android
andkulikov/Transitions-Everywhere - Backport of Transitions API for animations from Android KitKat and Lollipop. Compatible with Android 2.2+
Skykai521/StickerCamera - This is an Android application with camera,picture cropping,collage sticking and tagging.贴纸标签相机,功能:拍照,相片裁剪,给图片贴贴纸,打标签。
Avocarrot/json2view - Update native Android UI on the fly
zzz40500/GsonFormat - 根据Gson库使用的要求,将JSONObject格式的String 解析成实体
flavioarfaria/KenBurnsView - Android ImageViews animated by Ken Burns Effect
MostafaGazar/CustomShapeImageView - Custom shape ImageView using PorterDuffXfermode with paint shapes and SVGs
MizzleDK/Mizuu - Popular media indexer app for Android.
sromku/android-simple-facebook - Simple Facebook SDK for Android
chrisbanes/photup - photup
linkedin/databus - Source-agnostic distributed change data capture system
eowise/recyclerview-stickyheaders - DEPRECATED. Android library that integrate sticky section headers in your RecyclerView
Diolor/Swipecards - A Tinder-like Android library to create the swipe cards effect. You can swipe left or right to like or dislike the content.
ApmeM/android-flowlayout - Linear layout, that wrap its content to the next line if there is no space in the current line.
MiCode/FileExplorer - MIUI文件管理器社区开源版（Community edition of MIUI File Explorer)
jmxtrans/jmxtrans - jmxtrans
wildabeast/BarcodeScanner - Official repository now at phonegap/phonegap-plugin-barcodescanner.
opentripplanner/OpenTripPlanner - An open source multi-modal trip planner
xcltapestry/XCL-Charts - Android图表库(XCL-Charts is a free charting library for Android platform.),基于Android Canvas来绘制各种图表,使用简便,定制灵活。目前支持3D/非3D/背向式/横向/竖向柱形图(Bar Chart)、3D/非3D饼图(Pie Chart)、堆叠图(Stacked Bar Chart)、面积图(Area Chart)、折线图(Line Chart)、曲线图(Spline Chart)、环形图(Dount Chart)、南丁格尔玫瑰图(Rose Chart)、仪表盘(Dial Chart)、刻度盘(Gauge Chart)、雷达图(Radar Chart)、漏斗图(Funnel Chart)、圆形图(Circle Chart)、弧线比较图、散点图(Scatter Chart)、气泡图(Bubble Chart)、范围条形图(RangeBar Chart)等图表。其它特性还包括支持图表缩放、手势移动、点击响应、动画效果、多轴显示、图表参考线、混合图表及同数据源不同图表类型切换等。
udacity/Sunshine-Version-2 - The official repository for Developing Android Apps
soarcn/BottomSheet - One way to present a set of actions to a user is with bottom sheets, a sheet of paper that slides up from the bottom edge of the screen. Bottom sheets offer flexibility in the display of clear and simple actions that do not need explanation.
jpardogo/GoogleProgressBar - Android library to display progress like google does in some of his services.
FasterXML/jackson-core - Core part of Jackson that defines Streaming API as well as basic shared abstractions
expectedbehavior/gauges-android - Gaug.es Android App
emilsjolander/sprinkles - Sprinkles is a boiler-plate-reduction-library for dealing with databases in android applications
alibaba/cobar - 基于MySQL的分布式数据库服务中间件
Clans/FloatingActionButton - Android Floating Action Button based on Material Design specification
Trinea/android-auto-scroll-view-pager - Android auto scroll viewpager or viewpager in viewpager
hoang8f/android-flat-button - FButton - a flat button library for Android
alibaba/canal - 阿里巴巴mysql数据库binlog的增量订阅&消费组件
MichaelEvans/ColorArt - iTunes 11-style color matching code for Android
ManuelPeinado/MultiChoiceAdapter - Android - A ListView adapter with support for multiple choice modal selection
alibaba/otter - 阿里巴巴分布式数据库同步系统(解决中美异地机房)
zcweng/ToggleButton - ToggleButton Widget For Android Dev
ToxicBakery/ViewPagerTransforms - Library containing common animations needed for transforming ViewPager scrolling for Android v13+.
ratpack/ratpack - A toolkit for JVM web applications
SonarSource/sonarqube - Put your technical debt under control
passsy/android-HoloCircularProgressBar - Holo Circular ProgressBar
HdrHistogram/HdrHistogram - A High Dynamic Range (HDR) Histogram
Frank-Zhu/PullZoomView - An Android custom ListView and ScrollView with pull to zoom-in.
sephiroth74/HorizontalVariableListView - Horizontal list view for Android which allows variable items widths
linger1216/labelview - Sometimes, we need to show a label above an ImageView or any other views. Well, LabelView will be able to help you. It's easy to implement as well!
Netflix/servo - Netflix Application Monitoring Library
pigshell/pigshell - The missing shell for the web
bluejamesbond/TextJustify-Android - Android Text Full Jusiftication / Wrapping / Justify / Hyphenate - V2.0
mmin18/AndroidDynamicLoader - A plugin system that runs like a browser, but instead of load web pages, it load plugins which runs natively on Android system.
LarsWerkman/QuickReturnListView - A implementation of Roman Nurik's and Nick Butcher's Quick Return UI patern for a listview.
rudsonlive/NavigationDrawer-MaterialDesign - Library Navigation drawer material design
glomadrian/material-animated-switch - A material Switch with icon animations and color transitions
nkzawa/socket.io-client.java - Full-featured Socket.IO Client Library for Java, which is compatible with Socket.IO v1.0 and later.
vrapper/vrapper - Vim-like editing in Eclipse
davemorrissey/subsampling-scale-image-view - Highly configurable, easily extendable view with pan and zoom gestures for displaying huge images without loss of detail. Perfect for photo galleries, maps, building plans etc.
RadiusNetworks/android-ibeacon-service - An Android library providing APIs to interact with iBeacons
timehop/sticky-headers-recyclerview - Sticky Headers decorator for Android's RecyclerView
google/grafika - Grafika test app
mattdesl/lwjgl-basics - 🔧 LibGDX/LWJGL tutorials and examples
JakeWharton/RxBinding - RxJava binding APIs for Android's UI widgets.
chrislacy/TweetLanes - Tweet Lanes for Android
gabrielemariotti/androiddev - Quick tips/tutorials for Android developers
Rajawali/Rajawali - Android OpenGL ES 2.0/3.0 Engine
dommerq/SuperListview - Deprecated. Way more than just a listview
chiuki/advanced-textview - Advanced Android TextView
alibaba/mdrill - for千亿数据即席分析
FasterXML/jackson-databind - General data-binding package for Jackson (2.x): works on streaming API (core) implementation(s)
hector-client/hector - a high level client for cassandra
johnkil/Android-ProgressFragment - Implementation of the fragment with the ability to display indeterminate progress indicator when you are waiting for the initial data.
BlueMor/Android-PullLayout - 仿UC天气下拉和微信下拉眼睛
rmtheis/android-ocr - Experimental app for optical character recognition on Android.
ChrisRenke/DrawerArrowDrawable - Visual back-port of the rotating drawer-to-arrow drawable from Android L
ManuelPeinado/RefreshActionItem - Android - An action bar item which acts both as a refresh button and as a progress indicator
apache/hive - Mirror of Apache Hive
bingoogolapple/BGARefreshLayout-Android - 多种下拉刷新效果、上拉加载更多、可配置自定义头部广告位
airbnb/DeepLinkDispatch - A simple, annotation-based library for making deep link handling better on Android
yanchenko/droidparts - DI, ORM, JSON, ...
rnewson/couchdb-lucene - Enables full-text searching of CouchDB documents using Lucene
mrwonderman/android-square-progressbar - An android library to display a progressbar that goes around an image.
Netflix/archaius - Library for configuration management API
wnafee/vector-compat - A support library for VectorDrawable and AnimatedVectorDrawable classes introduced in Lollipop
konifar/android-material-design-icon-generator-plugin - This plugin help you to set material design icon to your project.
matburt/mobileorg-android - An implementation of MobileOrg for the Android platform
eirslett/frontend-maven-plugin - "Maven-node-grunt-gulp-npm-node-plugin to end all maven-node-grunt-gulp-npm-plugins." A Maven plugin that downloads/installs Node and NPM locally, runs NPM install, Grunt, Gulp and/or Karma.
anton46/Android-StepsView - Android-StepsView
tuesda/CircleRefreshLayout - a custom pull-to-refresh layout which contains a interesting animation
akexorcist/Android-RoundCornerProgressBar - Round Corner Progress Bar Library for Android
unclebob/fitnesse - FitNesse -- The Acceptance Test Wiki
jeeeyul/eclipse-themes - Full Featured Eclipse Theme Customizer!
Netflix/exhibitor - ZooKeeper co-process for instance monitoring, backup/recovery, cleanup and visualization.
MostafaGazar/soas - Native Android "sample of all samples" for beginners and experienced, 14+, with focus on lollipop and Material
geftimov/android-player - Android animation when entering new screen.
ppamorim/Dragger - Animate your activity!
gabrielemariotti/changeloglib - Android Library to display your changelog
skyfishjy/android-ripple-background - A beautiful ripple animation for your app
thiagolocatelli/android-uitableview - Library and example project on how to use the UITableView component
JakeWharton/ThreeTenABP - An adaptation of the JSR-310 backport for Android.
foxykeep/DataDroid - An Android Library for data management
iPaulPro/Android-ItemTouchHelper-Demo - Basic example of using ItemTouchHelper to add drag & drop and swipe-to-dismiss to RecyclerView.
etsy/oculus - The metric correlation component of Etsy's Kale system
emmaguy/clean-status-bar - Tidy up your Android status bar before taking screenshots for the Play Store
douglascraigschmidt/POSA-14 - This repository contains assignments and examples for the 2014 offering of the POSA MOOC (see www.coursera.org/course/posa for more information)
eclipse-color-theme/eclipse-color-theme - Color themes for Eclipse
nhaarman/supertooltips - SuperToolTips
woozzu/IndexableListView - iPhone like fast scroll ListView on Android
killme2008/Metamorphosis - A high available,high performance distributed messaging system.
sikuli/sikuli - Sikuli's official repository on github. Ask questions or report bugs at http://launchpad.net/sikuli.
JakeWharton/Android-DirectionalViewPager - [DEPRECATED] Implementation of the compatibility library ViewPager class that supports paging both vertically and horizontally.
VoltDB/voltdb - VoltDB
cgeo/cgeo - c:geo - The powerful Android geocaching app.
kyleduo/SwitchButton - A cute widget of Switch Button for you to create beautiful and friendly UI.
traex/ExpandableLayout - Implementation of ExpandableListview with custom header and custom content.
adnan-SM/TimelyTextView - Animated TextView like Timely app
kanytu/android-material-drawer-template - An Android template with navigation drawer for material design
zzz40500/android-shapeLoadingView - 高仿新版58 加载动画
ervandew/eclim - Expose eclipse features inside of vim.
oschina/android-app - 本项目已经迁移到 git.oschina.net ，此处不再更新！
dodola/android_waterfall - Android版的瀑布流布局
apache/camel - Mirror of Apache Camel
smanikandan14/Volley-demo - An demonstration of Volley - HTTP library announced by google in I/O 2013. Illustrates, JSONRequest,StringRequest, Image caching.
nirhart/ParallaxScroll - Parallax ScrollView and ListView for Android
frakbot/JumpingBeans - A Span-based library to make your text jump like Mexican beans. Oh, and the "..."s in Hangouts.
google/google-authenticator - Open source version of Google Authenticator (except the Android app)
nvanbenschoten/motion - An Android library allowing images to exhibit a parallax effect that reacts to the device's tilt
telly/MrVector - [Deprecated] AKA VectorDrawableCompat: A 7+ backport of VectorDrawable
davidschreiber/FancyCoverFlow - A cool Open Source CoverFlow view for Android with several fancy effects.
glyptodon/guacamole-client - The HTML5/JavaScript Guacamole client, its containing web application, and related components.
sqlcipher/android-database-sqlcipher - Android SQLite API based on SQLCipher
apache/incubator-zeppelin - Mirror of Apache Zeppelin (Incubating)
hoang8f/android-segmented-control - ios7 UISegmentedControl for android
erikwt/PullToRefresh-ListView - A generic, customizable, open source Android ListView implementation that has 'Pull to Refresh' functionality.
vikramkakkar/SublimePicker - A material-styled android view that provisions picking of a date, time & recurrence option, all from a single user-interface.
saik0/UnifiedPreference - A convinience library for working with all versions of the Android Preference package from API v4 and up
linkedin/camus - LinkedIn's Kafka to HDFS pipeline.
tokudu/AndroidPushNotificationsDemo - A example of an android app that receives push notifications using MQTT.
jlmd/AnimatedCircleLoadingView - An animated circle loading view
lorensiuswlt/NewQuickAction - Android QuickAction
johnkil/Android-RobotoTextView - Implementation of a TextView and all its direct/indirect subclasses with native support for the Roboto fonts, includes the brand new Roboto Slab fonts.
gorbin/ASNE - ASNE library for simple integration of social networks: Twitter, Facebook, Google Plus, LinkedIn, Instagram, Vkontakte, Odnoklassniki
txusballesteros/bubbles-for-android - Bubbles for Android is an Android library to provide chat heads capabilities on your apps. With a fast way to integrate with your development.
BlueMor/DragLayout - An Android Project.强迫症头像制作器，使用support.v4包下的ViewDragHelper实现QQ5.0侧滑
shell-software/fab - Floating Action Button Library for Android
evant/JobSchedulerCompat - [Deprecated] A backport of Android Lollipop's JobScheduler to api 10+
58code/Argo - 58.com轻量级web框架
linkedin/datafu - Hadoop library for large-scale data processing, now an Apache Incubator project
nasa/mct - Mission Control Technologies is a real-time monitoring and visualization platform. See an overview and demo at http://ti.arc.nasa.gov/OpenMCT/. Download MCT plugins at https://github.com/nasa/MCT-Plugins.
osmandapp/Osmand - osmand
mikepenz/Android-ActionItemBadge - This library offers a simple method to add a small badge icon to your ActionBar-MenuItem
apache/tomcat - Mirror of Apache Tomcat
Trinea/android-demo - Android common lib demo, include ImageCache, HttpCache, DropDownListView, DownloadManager, install apk silent and so on, you can find description
dmytrodanylyk/shadow-layout - Android Shadow Layout
AndroidAlliance/EdgeEffectOverride - Override the Holo EdgeEffect colors
paddybyers/anode - Android framework for node.js applications
liaohuqiu/android-GridViewWithHeaderAndFooter - A GridView which can addHeaderView and addFooterView
jenzz/Android-UndoBar - An implementation of Android's Undo Bar as seen in Google's Gmail app.
jeromevdl/android-holo-colors-idea-plugin - IntelliJ / Android Studio plugin for Android Holo Colors
LyndonChin/MasteringAndroidDataBinding - A comprehensive tutorial for Android Data Binding
sd6352051/NiftyNotification - effects for android notifications
toddway/MaterialTransitions - Sample material transition animations for Android
square/phrase - Phrase is an Android string resource templating library
spring-projects/spring-petclinic - A sample Spring-based application
splitwise/TokenAutoComplete - Gmail style MultiAutoCompleteTextView for Android
redwarp/9-Patch-Resizer - A resizer tool to automaticaly resize png files and 9 patches in several densities
ongakuer/CircleIndicator - A lightweight viewpager indicator like in nexus 5 launcher
jpardogo/FlabbyListView - Android library to display a ListView whose cells are not rigid but flabby and react to ListView scroll.
apache/flink - Mirror of Apache Flink
robotmedia/AndroidBillingLibrary - Android Market In-app Billing Library
e-biz/androidkickstartr - AndroidKickstartR helps you to quickly create a well configured Android application using the most popular libraries. It creates and configures your project for you. Just focus on code!
traex/CalendarListview - Implementation of a calendar in a ListView. One month by row
f2prateek/progressbutton - A custom progress indicator with a tiny footprint.
HazyResearch/deepdive - DeepDive
jonfinerty/Once - A small Android library to manage one-off operations.
thyrlian/AwesomeValidation - Android validation library which helps developer boil down the tedious work to three easy steps.
fearofcode/bateman - Simple stock trading system that optimizes its parameters with particle swarm optimization
spring-projects/spring-android-samples - Spring for Android Sample Applications
scobal/seyren - An alerting dashboard for Graphite
pedrovgs/Renderers - Renderers is an Android library created to avoid all the boilerplate needed to use a RecyclerView/ListView with adapters.
lovetuzitong/MultiImageSelector - Image selector for Android device. Support single choice and multi-choice.
Sefford/CircularProgressDrawable - A drawable with capabilities to indicate progress.
JetBrains/MPS - JetBrains Meta programming System
tomakehurst/wiremock - A tool for mocking HTTP services
linroid/FilterMenu - An implemention of Filter Menu concept for android
BroadleafCommerce/BroadleafCommerce - Broadleaf Commerce - Enterprise eCommerce framework based on Spring
lsjwzh/RecyclerViewPager - A ViewPager implemention base on RecyclerView's code. Support fling operation like gallary.
ZhouWeikuan/cocos2d - cocos2d for android, based on cocos2d-android-0.82, and now ported from cocos2d-iphone 0.99.4. The googlecode address is here: http://code.google.com/p/cocos2d-android-1/ . There are several demos to watch.
Maxwin-z/XListView-Android - ListView supports pull refresh and pull up to load more feature.
variety/variety - A schema analyzer for MongoDB
joyoyao/superCleanMaster - 一键清理开源版，包括内存加速，缓存清理，自启管理，软件管理等。
ikew0ng/Dribbo - Dribbble客户端
etao-open-source/cube-sdk - A light package for Android development, it handles loading image and network request.
carlonzo/StikkyHeader - This is a very simple library for Android that allows you to stick an header to a scrollable view and easily apply animation to it
medyo/fancybuttons - An Android library to easily create fancy buttons without the need of drawable files.
infinum/android_dbinspector - Android library for viewing and sharing in app databases.
codebutler/farebot - Read data from public transit cards using your NFC Android phone!
spring-projects/spring-integration-samples - You are looking for examples, code snippets, sample applications for Spring Integration? This is the place.
spring-projects/spring-android - Support for using Spring when developing native Android applications.
emilsjolander/StickyScrollViewItems - A small android library for tagging views inside a ScrollView as "sticky" making them stick to the top of the scroll container until a new sticky view comes and takes it's place
dynjs/dynjs - ECMAScript runtime for the JVM
2dxgujun/AndroidTagGroup - 🍀A beautiful android tag group widget.
MartinRGB/GiftCard-Android - Simply Implement Dribbble's popular shot
Rogero0o/MatchView - Include MatchTextView and MatchButton..Come..you will like it
mitallast/diablo-js - Isometric minimal-code style game at html5 canvas and javascript
geftimov/android-pathview - Android view with both path from constructed path or from svg.
afollestad/material-cab - A simple library for Android, which replaces the stock contextual action bar to allow more customization.
moagrius/TileView - The TileView widget is a subclass of ViewGroup that provides a mechanism to asynchronously display tile-based images for the Android mobile-application development framework, with additional functionality for 2D dragging, flinging, pinch or double-tap to zoom, adding overlaying Views (markers), built-in Hot Spot support, dynamic path drawing, multiple levels of detail, and support for any relative positioning or coordinate system.
baasbox/baasbox - The BaasBox server
apache/incubator-groovy - Mirror of Apache Groovy (Incubating)
houkx/android-pluginmgr - apk plug apkplug apk load
bpellin/keepassdroid - KeePass implementation for android
Pixplicity/MultiViewPager - The MultiViewPager is an extension of the support-v4 library's ViewPager that allows the pages to be wider or narrower than the ViewPager itself. It takes care of aligning the pages next to each other, and always keeping the selected page centered.
square/seismic - Android device shake detection.
apache/mahout - Mirror of Apache Mahout
sinaweibosdk/weibo_android_sdk - 新浪微博 Android SDK
lsjwzh/MaterialLoadingProgressBar - MaterialLoadingProgressBar provide a styled ProgressBar which looks like SwipeRefreshLayout's loading indicator(support-v4 v21+)
dmitry-zaitsev/AndroidSideMenu - Side menu for android applications
mik3y/usb-serial-for-android - Android USB host serial driver library for CDC, FTDI, Arduino and other devices.
jacobmoncur/QuiltViewLibrary - Android Quilt View Library
tekinarslan/AndroidMaterialDesignToolbar - Android Sample Project with Material Design and Toolbar.
pents90/svg-android - Support for scalable vector graphics in Android
KylinOLAP/Kylin - This code base is retained for historical interest only, please visit Apache Incubator Repo for latest one
darvds/RibbonMenu - Navigation menu for Android (based off Google+ app)
beworker/tinybus - Simple, lightweight and fast event bus tailored for Android
nathanmarz/storm-contrib - A collection of spouts, bolts, serializers, DSLs, and other goodies to use with Storm
emilsjolander/android-FlipView - A small, easy to use android library for implementing flipping between views as seen in the popular Flipboard application
bboyfeiyu/AndroidEventBus - A lightweight eventbus library for android, simplifies communication between Activities, Fragments, Threads, Services, etc.
lucasr/android-layout-samples - Explorations around Android custom layouts
lewisjdeane/L-Dialogs - A small library replicating the new dialogs in android L.
askerov/DynamicGrid - Drag and drop GridView for Android
zzz40500/AndroidSweetSheet - 一个富有动感的Sheet(选择器)
wangjiegulu/RapidFloatingActionButton - Quick solutions for Floating Action Button，RapidFloatingActionButton（RFAB）
FaizMalkani/Fabulous - [DEPRECATED]
premnirmal/Magnet - A library that makes it very simple to create a window icon, similar to Facebooks chat icon.
BoD/android-switch-backport - A backport of the SwitchPreference component that was introduced on Android 4 (ICS / level 14). This port works on Android 2.1+ (Eclair MR1 / level 7).
agirbal/umongo - Desktop app to browse and administer your MongoDB cluster
WhisperSystems/BitHub - BTC + BitHub = An experiment in funding privacy OSS.
vinaysshenoy/mugen - Microlibrary for implementing infinite scroll on Android
apache/solr - Mirror of Apache Solr
survivingwithandroid/WeatherLib - Android Weather Library: android weather lib to develop weather based app fast and easily
rno/Android-ScrollBarPanel - Android-ScrollBarPanel allows to attach a View to a scroll indicator like it's done in Path 2.0
iammert/MusicPlayerView - Android custom view and progress for music player
MatthewYork/Colours - A beautiful set of predefined colors and a set of color methods to make your Android development life easier.
ogaclejapan/ArcLayout - A very simple arc layout library for Android
PaperAirplane-Dev-Team/BlackLight - A light Sina Weibo client for Android
JakeWharton/SwipeToDismissNOA - Backport of Roman Nurik's "Swipe-to-dismiss" sample code using NineOldAndroids to work on all API levels.
AlbertGrobas/MovingImageView - Custom ImageView for moving image around the screen (Android)
mattprecious/telescope - A simple tool to allow easy bug report capturing within your app.
Netflix/Priam - Co-Process for backup/recovery, Token Management, and Centralized Configuration management for Cassandra.
alibaba/TProfiler - TProfiler是一个可以在生产环境长期使用的性能分析工具
couchbase/couchbase-lite-android - Lightweight, embedded, syncable NoSQL database engine for Android.
code4craft/netty-learning - Netty learning.
HackPlan/AndroidCharts - An easy-to-use Android charts library with animation.
rampo/UpdateChecker - Increase your app's updates
AChep/AcDisplay - AcDisplay is a new way of handling notifications in Android.
dannytiehui/androidpn - An open source project to provide push notification support for Android -- a xmpp based notification server and a client tool kit.
card-io/card.io-Android-SDK - card.io provides fast, easy credit card scanning in mobile apps
soarcn/UndoBar - Android Library that implements Snackbars (former known as Undobar) from Google's Material Design documentation.
elastic/elasticsearch-hadoop - Elasticsearch real-time search and analytics natively integrated with Hadoop
commonsguy/cwac-merge - CommonsWare Android Components: MergeAdapter
SimonVT/MessageBar - An Android Toast replacement, similar to the one seen in the GMail app.
lucasr/dspec - Define and render UI specs on top of your Android UI
grandcentrix/tray - a SharedPreferences replacement for Android with multiprocess support
chrisjenx/ParallaxScrollView - A Parallax ScrollView which takes a background and foreground views - DEPRECATED
JMPergar/AwesomeText - A tool that facilitates working with Spans on TextViews or any extension of them (EditTexts, Buttons...).
dersoncheng/MultipleTheme - Android换肤／夜间模式的Android框架，配合theme和换肤控件框架可以做到无缝切换换肤（无需重启应用和当前页面）。 This framework of Android app support multiple theme(such as day/night mode) and needn’t finish current application or current activity when you switch theme-mode.
trifork/erjang - A JVM-based Erlang VM
jess-anders/two-way-gridview - An Android GridView that can be configured to scroll horizontally or vertically
bagilevi/android-pedometer - App for Android phones that counts your steps.
JorgeCastilloPrz/FABProgressCircle - Material progress circle around any FloatingActionButton. 100% Guidelines.
tigerguixh/QuickNews - this is a news to the client
Estimote/Android-SDK - Estimote SDK for Android
quiqueqs/BabushkaText - A simpler way to style your TextViews
tavendo/AutobahnAndroid - WebSocket & WAMP in Java for Android
linkedin/cleo - A flexible, partial, out-of-order and real-time typeahead search library
guerwan/TransitionsBackport - A backport of the new Transitions API for Android
QuantumBadger/RedReader - An unofficial open source Reddit client for Android.
databricks/learning-spark - Example code from Learning Spark book
SimonVT/android-numberpicker - A backport of the Android 4.2 NumberPicker

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