Bitmessage is described as 'P2P communications protocol used to send encrypted messages to another person or to many subscribers. It is decentralized and trustless, meaning that you need-not inherently trust any entities like root certificate authorities' and is a popular Encrypted Chat app in the file sharing category. There are more than 50 alternatives to Bitmessage for a variety of platforms, including Linux, Windows, Mac, Android and iPhone apps. The best Bitmessage alternative is Signal, which is both free and Open Source. Other great apps like Bitmessage are Element, Tox, SimpleX Chat and Jami.
Conduit is a simple, fast and reliable chat server powered by Matrix. Conduit is an alternative to Synapse and tries to be lightweight and easy to install, but it is still in development.
United Kingdom
CoyIM is a new chat client that is safe and secure by default: no settings to change, no plugins to install, no computer configuration to change.
Smoke Messenger is an open-source Instant Messenger that is known as the first mobile Messenger worlwide using the encryption algorithm McEliece. To be downloaded at F-Droid.org or Github.com. Smoke provides with its own Server-Software: SmokeStack-Echo-Server.
Converse is a messaging app for decentralized, secure, end-to-end encrypted conversations. Built on the XMTP network, Converse lets you own your conversations and take them anywhere whenever you want, ensuring your most important messages—the ones you never want to lose or be...
United States
Anonymous and fully encrypted peer-to-peer instant messenger for Android using onion routing (via Tor)!
FireFloo is an instant messaging communicator combining the open XMPP standard (Jabber, GMail Chat etc.) with the echo protocol for multi-encrypted messaging. Use various methods to send chipertext over open standards like libgcrypt and encrypt your private communication.
DUST gives you control over your digital life. We believe online life is real life, so only you should control what is known about you. Our users are protected—free from worry of prying eyes, data mining, sketchy hackers, and the paranoia that your words could come back to haunt...
United States
This is psyced, a scalable multi-protocol multi-casting chat, messaging and social server solution to build decentralized chat networks upon, released as free software. Powerful, not bloated, not too hard to get into.
Austria
EU
