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Open Source Encrypted Communication Tools using GitHub

A curated collection of the best open source communication tools that use end-to-end encryption. using GitHub.

Signal

Private messaging with end-to-end encryption

  • Stars

    29,527

  • Last commit

    2 days ago

  • License

    AGPL-3.0
Secure messaging app with state-of-the-art encryption, voice/video calls, group chats, and file sharing. No ads, trackers, or data collection.

Open Source Alternative to:

WhatsApp

Fluxer

Open source messaging with privacy and community focus

  • Stars

    10,650

  • Last commit

    7 hours ago

  • License

    AGPL-3.0
Free, open-source instant messaging and VoIP platform with full Markdown support, voice/video calls, moderation tools, and self-hosting options for communities.

Open Source Alternative to:

Discord

Quiet

Serverless team chat over Tor, no phone number needed

  • Stars

    2,659

  • Last commit

    6 days ago

  • License

    GPL-3.0
Quiet is a peer-to-peer messaging app that syncs messages directly between devices over Tor, with no central server, no phone number required, and no metadata leaks.

Open Source Alternative to:

Discord
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