Gadu-Gadu protocol client for X11/GTK+, instant messenger 
targeting mainly users of Poland's based propietary IM network.

GnuGadu2 is a complete rewrite featuring a plugin extensible 
architecture, that has opened it to the multiprotocol world. 
Transport plugins exist for Jabber, Tlen.pl, also for various 
sound servers and others.

WWW: http://www.gnugadu.org