Miranda NG: Next Generation of Miranda IM
The extensible chat client
Development toolkit for Web Services and XML data bindings for C & C++
A SSH based chatroom.
A modern, AI-Smart, WASTE p2p for ipv4 and invisible address spaces
Full mIRC MSL Script
File sharing client with chat
The pinnacle of file-sharing and chat - an innovative DC client!
Some old IRC clients patched up for 'modern' Linux
A smaller, faster, and easier IM client
Lightweight Internet Relay Chat tool package
Moved to http://www.fuzzball.org
A Work-In-Progress, Full-Featured, Open Source IRC Client
The IRC's Talking Robot
Secure chat and conferencing protocol