Converse is a free and open-source XMPP chat client in your browser
WikiSuite and Converse are working closely together. Notably to convert upcoming v4 to Bootstrap
Converse is the built-in (but optional) XMPP client in Tiki Wiki CMS Groupware: https://doc.tiki.org/XMPP
https://conversejs.org/
https://discourse.igniterealtime.org/t/webmeet-enabling-website-visitors-to-chat-and-meet-with-teams-using-openfire/81588