ejabberd is a scalable and robust realtime application server using XMPP, MQTT and SIP protocols. Maintained by @ ProcessOne .
Fluux Messenger v0.13.2 has been released:
You can check the changelog here:
https://github.com/processone/fluux-messenger/releases/tag/v0.13.2
Many bugfixes around the internal proxy system to map websocket to standard XMPP ports for server that do not support websocket.