Psi is a cross-platform powerful XMPP client (Qt, C++) designed for the Jabber power users.
Psi+ is a development branch of Psi IM XMPP client.
Psi+ Groupchat: firstname.lastname@example.org
More information, http://psi-plus.com/
These details are provided for information only. No information here is legal advice and should not be used as such.