Converse
Converse (AKA Converse.js) is an XMPP client which is bundled in Tiki.
See: XMPP and PluginXMPP
Tiki gets the source via https://packagist.org/packages/jcbrand/converse.js
http://conversejs.org
https://github.com/conversejs/converse.js
http://wikisuite.org/Converse