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Top open source communication and collaboration projects for your next project

Top Picks

  • Cal.com

    48.6k

    Scheduling infrastructure for absolutely everyone.

    • Scheduling
    • MIT License

  • Mattermost

    39.1k

    Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..

    • Team chat
    • Other license

  • Jitsi Meet

    29.9k

    Jitsi Meet - Secure, Simple and Scalable Video Conferences that you use as a standalone app or embed in your web application.

    • Video conferencing
    • Apache 2.0