Open Source Signal Alternatives

    The best open source alternative to Signal is Element, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Signal and loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Signal are Jitsi (Free, Open Source), Wire (Free Personal, Open Source), Tox (Free, Open Source) and Matrix.org (Free, Open Source).

    This page was last updated Oct 6, 2021

    1. aTalk is an XMPP client that supports the following features: * Instant messaging in plain text and End-to-End encryption with OMEMO or OTR * OMEMO encryption is available during multi-user group chat session, giving users maximum privacy and security * Supports both voice...
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    2. Antox is an Android client for Tox. It aims to bring the full multimedia support Tox offers to your device, although it's still currently in heavy development.
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    3. Librem Chat – end-to-end encrypted chat, VOIP, and video calling used by millions of people * Chat rooms * Share images, videos, and files * Make voice and video calls * Keep your conversations secret with end-to-end encryption * Free and open-source software
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    4. Cyph is a secure communication tool designed to be extremely friendly for users of any technical skill level, providing such features as encrypted video calling and file transfers to both individuals and businesses.
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    5. Toxygen is powerful cross-platform Tox client written in pure Python3.
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    6. TorChat is a peer to peer instant messenger with a completely decentralized design, built on top of Tor's location hidden services, giving you extremely strong anonymity while being very easy to use without the need to install or configure anything.

      Discontinued

      The project is no longer developed since 2014. Last version, 0.9.9.553, released in September 2012, can be still downloaded from GitHub.

      No screenshots yet
      • FreeOpen Source
      • Online
      • Android
      • iPhone
      • Self-Hosted
      • Software as a Service (SaaS)
      Fully open source instant messaging server and clients. No proprietary components or non-free dependencies. Backend in pure Go (GPL 3.0), with a command-line administration tool in python + gRPC. Clients for Android, iPhone, and Web - ReactJS (all licensed under Apache 2.0).
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    7. µTox is the lightweight client with minimal dependencies; it not only looks pretty, it runs fast!
      • FreeOpen Source
      • Self-Hosted
      • Sailfish OS
      Cyanide is Tox client for Sailfish OS .
      No screenshots yet
      • FreeOpen Source
      • Android
      aTox is a free open-source messaging app for the Tox protocol.
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    Showing 40 of 70 alternatives