Mumble is an open-source, low-latency, high quality voice chat
Feature rich WhatsApp Client for Desktop Linux
Desktop client for Matrix using Qt and C++20
You can message and share files inside your intranet without a server.
Psi+ Project — development branch of Psi XMPP client
Easy, yet powerful, GNU/Linux distribution
Development toolkit for Web Services and XML data bindings for C & C++
Browse on Tor/i2p, Anon p2p Chat / FileTx, Conf / Video VoIP
A SSH based chatroom.
Multichat for streamers
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
Youtube deletes your comments?
rabbit instant messaging
Program for filesharing using Direct Connect and ADC protocols
Easy to use Repair distribution for both Gnu/Linux and Windows systems
Psi IM — Qt-based XMPP client
Low-latency, high quality voice chat for gamers
File sharing client with chat
Чат для малых и больших организаций.
A cross platform multi-network peer-to-peer (P2P) file-sharing client.
A portable peer to peer voice-chat/walkie-talkie.