Hi,

I’m looking for an instant messaging ( IM ) apps software/protocol that run on Android and computer

and meet the following requirements :

  • Open source !
  • E2EE
  • Messages are send in direct ! (not passing by a server)
  • handle group
  • Truly private ! ( That’s the tricky part )

 

The closest that I’ve found is Briar

  • +can work without internet ! (bluetooth, local wifi, files !)
  • + use TOR
  • - Mutual party have to exchange key (or your can introduce someone)
  • - sending media suck for now, poor image quality
  • - no call or voice messaging

 

I’ve been looking for alternatives:

  • Session
    • Sadly it keep ALL the conversation into server !!! so it’s a no go.
  • speek
    • I didn’t try it yet, any feedback ?
  • simplex
    • it look very promising ! (didn’t tried it yet)
    • + seem to handle multiple profile in one !
    • + do not require that both party send an invitation !
    • ! I didn’t found (yet) if the messages are send in direct or pass by a server…

All post about alternatives or experience with the one that I cited are welcome.

  • KDE@monyet.cc
    2·
    11 months ago

    is rare, but briar as you identified is pretty good. Though android only.

    The trouble with peer to peer is it isn

    theres also notification scandal recently which i think the op doesnt know about

    • jet@hackertalks.comEnglish
      1·
      11 months ago

      It was always known, in the threat model.

      Though I think everyone assumed Google required a warrant.

      Even without Google, Apple’s participation and push notifications - signal still has the same capability. Simply because they’ve created a centralized architecture.