climm is a very portable text-mode ICQ clone - it is known to compile under Linux, BSD, AIX, HPUX, Windows, AmigaOS and with restrictions BeOS. Originally written by Matthew D. Smith, a great part of climm has been rewritten by Rüdiger Kuhlmann, in particular the support for the new version 8 of the OSCAR protocol that became necessary, the internationalization, the file transfer and some restructuring of the code.
Tkabber is a Free and Open Source client for the Jabber instant messaging system. Its writen in Tcl/Tk, and works on many plat ...
Coccinella is a free and open-source cross-platform instant messaging client with a built-in whiteboard for improved collabora ...
The goal of Gajim is to provide a full featured and easy to use Jabber client. Gajim works nicely with GNOME, but does not req ...
A simple & beautiful app for Facebook Messenger. Chat without distractions on any Operating System.
Centericq is a text mode menu- and window-driven IM interface that supports the ICQ2000, Yahoo!, AIM, IRC, MSN, Gadu-Gadu and ...
Chat everywhere! IM+ is the most widely used mobile IM app! Connect all-in-one to MSN, Yahoo!, Google Talk, AIM, Jabber, ICQ, ...
Pidgin is an easy to use, multi-protocol chat client client used by millions. Connect to AIM, MSN, Yahoo, XMPP, and more chat ...
naim is a console client for AOL Instant Messenger (AIM), AOL I Seek You (ICQ), Internet Relay Chat (IRC), and The lily CMC.
Empathy is a messaging program which supports text, voice, video chat, and file transfers over many different protocols. You c ...
MCabber is a small XMPP (Jabber) console client. It includes features such as SASL/SSL/TLS support, MUC (Multi-User Chat) supp ...
Ayttm is an instant messaging (aka chat) client that provides all-in-one chat functionality for several major instant messagin ...