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.

Signal Protocol iconSignal Protocol
  0
  • Free • Open Source
  • ...

The Signal Protocol (formerly known as the TextSecure Protocol) is a non-federated cryptographic protocol that provides...

More about Signal Protocol
More about Signal Protocol
Signal Protocol alternatives page was last updated May 18, 2025
Copy a direct link to this comment to your clipboard
  1. Matrix icon

    Matrix

     365 likes
    Copy a direct link to this comment to your clipboard

    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.

    162 Matrix alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • WebRTC
    • Python
    • JavaScript
    • Go (Programming Language)
    • Cloudron
    • Java
    • Perl
    Main Page

    Properties

    1.  Privacy focused
    2.  Security-focused
    3.  Lightweight
    4.  Support for Themes

    Features

    1.  Decentralized
    2.  End-to-End Encryption
    3.  Federation
    4.  Team Collaboration
    5.  Random Video Chat
    6.  Encrypted Chat
    7.  Voice Chat
    8.  No Tracking
    9.  Spaces
    10.  Ad-free
    11.  Dark Mode
    12.  Support for @mentions

    Matrix VS Signal Protocol

     

    • 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 Decentralized, Privacy focused and LightweightSignal Protocol is not according to our users
  2. XMPP icon

    XMPP

     19 likes
    Copy a direct link to this comment to your clipboard

    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.

    39 XMPP alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Windows Phone
    • Self-Hosted

    XMPP Features

    1.  Decentralized
    2.  Ad-free
    3. XMPP icon  Supports XMPP

    XMPP VS Signal Protocol

     
  4. Keychat icon

    Keychat

     2 likes
    Copy a direct link to this comment to your clipboard
    • Senders send messages stamped with Bitcoin ecash to Nostr relays. The Nostr relays collect the Bitcoin ecash, then deliver messages to receivers.

    License model

    • Free • Open Source

    Application types

    Platforms

    • Android
    Keychat screenshot 1
    Keychat screenshot 2
    Keychat screenshot 3

    Properties

    1.  Lightweight
    2.  Privacy focused
    3.  Support for Themes

    Features

    1.  Dark Mode
    2.  VoiP Calls
    3.  Ad-free
    4.  Support for @mentions
    5.  Decentralized
    6.  No Tracking
    7.  No registration required
    8.  End-to-End Encryption

    Keychat VS Signal Protocol

     
  5. Session Initiation Protocol icon

    Session Initiation Protocol

     Like
    Copy a direct link to this comment to your clipboard

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

    License model

    • Free • Open Source

    Platforms

    • Self-Hosted

    Session Initiation Protocol Features

    1.  SIP

    Session Initiation Protocol VS Signal Protocol

     
4 of 4 Signal Protocol alternatives