Xchat

About XChat

Xchat is an IRC client for UNIX operating systems. I.R.C. is Internet Relay Chat, see http://irchelp.org for more information about IRC in general. Xchat runs on most BSD and POSIX compliant operating systems, and has been reported to work on, at least:

* Linux * FreeBSD * NetBSD * OpenBSD * Solaris * AIX * IRIX * DEC/Compaq Tru64 UNIX * HP-UX 10.20 and 11 * MacOS X       * Windows 9x/NT

Xchat is a graphical IRC client. It runs under the X Window System and uses the GTK+ toolkit. Optionally it can be compiled to use Gnome.

http://www.xchat.org/about/