jGGtrans (GG Transport), is external component for XMPP/Jabber
server providing gateway to GaduGadu instant messaging services.
jGGtrans is known to work well together with ejabberd, jabberd
1.4 and jabberd 2, but most other Jabber server implementations
should work too.

WWW: http://jggtrans.jajcus.net/