Development GTK2 based version of GaduGadu client for X11/GTK.  
GaduGadu is an ICQ-like messenger network for the Polish language.

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

WWW: http://gadu.gnu.pl