The XSF hosts a variety of chat rooms and all archives are available online.

Overview of logs

Overview of the logs of XSF chatrooms (logs)

Developer chatroom

Chat about build software with XMPP (join | logs | webchat)

Operators chatroom

Chat about running XMPP services (join | logs | webchat)

XSF chatroom

Chat about the XMPP standards process (join | logs | webchat)

All of these venues are completely free and open to any interested individual.