Salut is a link-local XMPP (XEP-0174) connection manager for the Telepathy framework, currently supporting presence and single-user chats with iChat interoperability, and multi-user chats and Tubes using the Clique protocol
<http://telepathy.freedesktop.org/wiki/Clique>.
Telepathy is a D-Bus framework for unifying real time communication, including instant messaging, voice calls and video calls.
It abstracts differences between protocols to provide a unified interface for applications.