XMPP stands for Extensible Messaging and Presence Protocol. It is an application layer protocol.
Contact info, architectural docs and a weblog on Extensible Messaging and Presence Protocol (XMPP), an open XML communications technology.
A list of public XMPP services with information on the certificate and software used by them.
Thanks to DMOZ, which built a great web directory for nearly two decades and freely shared it with the web. About us