I’m more than a little surprised nobody has chimed in advocating Openfire, which is Apache 2.0, standards based (XMPP et. al.), extensible, and also has some pr

I’m more than a little surprised nobody has chimed in advocating Openfire, which is Apache 2.0, standards based (XMPP et. al.), extensible, and also has some pretty nice browser clients out there (e.g. conversejs).