XMPPKit is an Objective-C implementation of the Extensible Messaging and Presence Protocol (XMPP) that can be used to write Jabber-enabled applications. For more informations about XMPP itself, see . The framework uses EtoileXML for parsing the XML streams of the XMPP protocol. Etoile also includes a IM client named StepChat built on top of it. LICENSE: BSD WWW: http://www.etoile-project.org/