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free-modbus-tools

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serhmarch / ModbusTools

Star 525

ModbusTools are cross-platform (Windows, Linux) GUI simulators (client/server) that support TCP, UDP, RTU, ASCII, RTU/ASCII over TCP/UDP Modbus protocol types.

simulator modbus modbus-tcp modbus-rtu modbus-master modbus-slave modbus-protocol modbus-client modbus-serial modbus-server modbus-ascii modbus-simulator modbus-tools modbus-test modbus-tester modbus-tcp-server modbus-tool free-modbus-tools free-modbus-tool free-modbus
  • Updated Aug 24, 2026
  • C++

ploxc / modbux

Star 81

Free open-source Modbus client (master) GUI and server simulator for Windows, macOS and Linux. Desktop tool for Modbus TCP, RTU and RTU over TCP. A modern alternative to Modbus Poll and QModMaster.

electron macos cross-platform modbus plc industrial-automation scada modbus-tcp modbus-rtu modbus-master modbus-client serial-port modbus-server modbus-simulator modbus-poll modbus-tool rtu-over-tcp free-modbus-tools free-modbus-tool modbus-gui
  • Updated Sep 4, 2026
  • TypeScript

projnikdroid / ModbusViewer

Star 1

Cross-platform Modbus TCP/RTU master tool (Qt6/QML) for Windows and macOS — a free, open-source alternative to Modbus Poll for testing, polling, and debugging Modbus devices, PLCs, and SCADA systems.

automation cross-platform qml modbus plc industrial-automation scada modbus-tcp modbus-rtu modbus-master serial-communication embedded-tools qt6 embedded-tooling modbus-poll embedded-tool free-modbus-tools free-modbus-tool modbusviewer
  • Updated Aug 18, 2026
  • C++

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