Like brogondwana says, from the commit log on their github repo, it&#x27;s clear (years after that fastmail blog post) that Process One has abandoned ejabberd 3.x. ejabberd 2.x appears to continue to have updates. [0]<p>Having said <i>that</i>, for my single-account, single-site needs, ejabberd worked just fine for me for the <i>several</i> years between the time that I learned about the fact that Google Talk federated with XMPP servers and the time that Google stopped federating with other XMPP server operators.<p>I can&#x27;t speak to how comprehensive ejabberd is, but for one-on-one chats, and multi-user chats, it worked just fine when I was using it.<p>[0] <a href="https:&#x2F;&#x2F;github.com&#x2F;processone&#x2F;ejabberd" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;processone&#x2F;ejabberd</a>