Signal Protocol Alternatives

Alternatives list

1. 

   

   Matrix

    419 likes

   Open standard protocol enabling decentralized, encrypted instant messaging, VoIP signaling, IoT device connectivity, and persistent data management across federated servers without central control or single points of failure, bridging communication platforms.

   200 Matrix alternatives

   Cost / License

   • Free
   • Open Source

   Application typeApplication types

   • Instant Messenger
   • Group Chat

   Origin

   • United Kingdom

   Platforms

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

   • United Kingdom

   

   

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   Good alternative?Is Matrix a good alternative to Signal Protocol?

    
2. 

   

   XMPP

    25 likes

   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

   • Instant Messenger

   Origin

   • United States

   Platforms

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

   

   Good alternative?Is XMPP a good alternative to Signal Protocol?

    
4. 

   

   Keychat

    2 likes

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

   71 Keychat alternatives

   Cost / License

   • Free
   • Open Source (AGPL-3.0)

   Application typeApplication types

   • Instant Messenger
   • Video Calling

   Platforms

   • Android

   

   

   

   More about Keychat  

   

   Good alternative?Is Keychat a good alternative to Signal Protocol?

    
5. 

   

   Session Initiation Protocol

    Like

   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

   

   Good alternative?Is this a good alternative to Signal Protocol?