Apps

Comparisons

• https://berty.tech/faq
• https://en.wikipedia.org/wiki/Comparison_of_instant_messaging_protocols
• https://en.wikipedia.org/wiki/Comparison_of_cross-platform_instant_messaging_clients

Centralized

• Signal - Signal Protocol
  
• Telegram - Custom crypto / off by default!
  

Federated

• IRC
  • irssi
  • Revolution IRC
• XMPP
  • Conversations
• Matrix
  • Element

Decentralized

SimpleX - Mixnet with store & forward
Session - Mixnet with store & forward Briar - Tor

Distributed

• Jami - DHT
• Cabal - DAT protocol based

Briar - Tor
https://tox.chat/ - DHT