Signal Protocol Alternatives

Signal Protocol is described as 'The Signal Protocol (formerly known as the TextSecure Protocol) is a non-federated cryptographic protocol that provides end-to-end encryption for voice and instant messaging conversations' and is an app in the security & privacy category. There are four alternatives to Signal Protocol for a variety of platforms, including Android, Self-Hosted, iPhone, Mac and Windows apps. The best Signal Protocol alternative is Matrix, which is both free and Open Source. Other great apps like Signal Protocol are XMPP, Keychat and Session Initiation Protocol.

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Alternatives list

  1. Matrix icon

    Matrix

     378 likes
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    Matrix defines a set of open APIs for decentralised communication, suitable for securely publishing, persisting and subscribing to data over a global open federation of servers with no single point of control.

    165 Matrix alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • WebRTC
    • Python
    • JavaScript
    • Go (Programming Language)
    • Cloudron
    • Java
    • Perl
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    • Matrix is the most popular Web-based, Windows, Android & Mac alternative to Signal Protocol.

    • Matrix is the most popular Open Source & free alternative to Signal Protocol.

    • Matrix is Free and Open SourceSignal Protocol is also Free and Open Source
    • Matrix is Privacy focused, Security-focused and LightweightSignal Protocol is not according to our users
  2. XMPP icon

    XMPP

     21 likes
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    XMPP, or Extensible Messaging and Presence Protocol, is an open standard for instant messaging and real-time communication, allowing for message exchanges between any two entities on the Internet. It's known for its decentralized and extensible nature.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Windows Phone
    • Self-Hosted
     
  4. Keychat icon

    Keychat

     2 likes
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    • Senders send messages stamped with Bitcoin ecash to Nostr relays. The Nostr relays collect the Bitcoin ecash, then deliver messages to receivers.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Android
    Keychat screenshot 1
    Keychat screenshot 2
    Keychat screenshot 3
     
  5. Session Initiation Protocol icon

    Session Initiation Protocol

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    The Session Initiation Protocol (SIP) is a signaling protocol used for initiating, maintaining, and terminating communication sessions that include voice, video and messaging applications.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Self-Hosted
     
4 of 4 Signal Protocol alternatives