Open-source Reddit monitoring for keywords and topics you care about.

ChatterSift helps you define keyword monitors across subreddits, find matching posts and comments, and receive alerts when new conversations appear. The core project is self-hostable, MIT-licensed, and built as a Django app with an HTMX/server-rendered interface.

• Monitors Reddit posts and comments across many subreddits.
• Supports exact phrases, word boundaries, regex, and negative filters.
• Sends email alerts for new matches.
• Runs background ingestion and alert delivery with Celery.
• Can be self-hosted on a single VPS with Docker Compose.

• chattersift - the public, open-source core.

• Hosted app: chattersift.com
• Public core: github.com/ChatterSift/chattersift

ChatterSift is MIT-licensed.