DankChat
A simple app to chat on Twitch.tvMIT
Cheogram
Chat on the Jabber network (XMPP protocol); focus on features for gateway usersGPL-3.0-only
JMP SIM Manager
Companion app for the JMP eSIM AdapterGPL-2.0-only
Mumla
Voice chat on Mumble serversGPL-3.0-only
Nextcloud Talk
Have private video calls and chat using your own server.GPL-3.0-only
Dib2Qm
Messenger for secured chats and groups (end-to-end encrypted)GPL-3.0-or-later
aTalk
XMPP/Jabber client with encrypted instant messaging and video callsApache-2.0
aTox
aTox, a beautiful and modern Tox clientGPL-3.0-or-later
Xtra
a Twitch player and browserAGPL-3.0-only
Nomad - Hubzilla for Android
Client for the Hubzilla social networkGPL-3.0-or-later
Disroot app
This app is like your Swiss Army knife to the Disroot platformLGPL-3.0-only
KryptEY
Keyboard for secure E2EE communication through signal protocol in any messengerGPL-3.0-only
Oversec
Privacy for All Apps! Encrypt and Disguise Messages in All Your Apps!GPL-3.0-or-later
Infomaniak kMeet
Free and secure videoconferencing solutionApache-2.0
Xabber Classic
Instant messaging clientGPL-3.0-only
i2pd
Full-featured C++ implementation of I2P clientBSD-3-Clause
Revolution IRC
The next-generation IRC clientGPL-3.0-only
Stork IM
XMPP/Jabber clientAGPL-3.0-only
Element - Secure Messenger
Group messenger - encrypted messaging, group chat and video callsApache-2.0
Nekogram X
The third-party Telegram android app.GPL-3.0-or-later