XChat

GTK+ based IRC client for the X11 windowing system (X-Windows).

XChat is a GTK+ based IRC client for the X11 windowing system (X-Windows). This software requires a full X11 windowing environment, such as XDarwin, in order to operate.

Requirements
PPC, Mac OS X 10.2 or later, X11 Windowing Environment (XDarwin), GLIB/GTK+ libraries.