Open source client for DOS. It handles mIRC color codes and has a scrollable log, drop down menus, integrated server list for connecting quickly, and full DCC file download support.
Free, open source client intended to be simple and easy to use, website includes documentation and screenshots. For Unix systems and the GNOME desktop.
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.