An irssi-inspired, open source and cross-platform IRC client for advanced users, targeting the GNOME desktop. Version for Windows and GNU/Linux are offered.
Cross platform Internet Relay Chat client. It is fully scriptable using a Perl-like language called sleep. It includes DCC/CTCP support, the ability to connect to SSL servers, and over 65 built-in commands.
Free, open source client intended to be simple and easy to use, website includes documentation and screenshots. For Unix systems and the GNOME desktop.