gloox is a full-featured Jabber/XMPP client without GUI, written
in C++ and implemented as a shared library. It makes writing
spec-compliant clients easy and allows for hassle-free integration
of Jabber/XMPP functionality into extisting applications. gloox
is released under the GNU GPL. Commercial licensing and support
are available.

WWW: http://camaya.net/gloox