Irssi: Internet Relay Chat, Client, GNU General Public License, C programming language, Text user interface, Unix like, Microsoft Windows, Mac OS X

LDE(X): GNU General Public License, Microsoft Windows, LiteStep

Miro (software): Internet television, Participatory Culture Foundation, Microsoft Windows, GNU General Public...

Mibbit: Web Chat, Client, Internet Relay Twitter, Ajax, User interface, JavaScript, browser

RText: Text Editor, GNU General Public License, ACE (editor)