- PEAR Net_Socket, if you use the SMTP factory for notifications
http://pear.php.net/package/Net_Socket
- XMPPHP, the follow-up to Class.Jabber.php. Probably the best XMPP
- library available for PHP. http://xmpphp.googlecode.com/. Note that
+ library available for PHP. https://github.com/heshanlk/XMPPHP. Note that
as of this writing the version of this library that is available in
the extlib directory is *significantly different* from the upstream
version (patches have been submitted). Upgrading to the upstream