…el is ircs://irc.oftc.net:6697 #osm (SSL, Port 6697, alternative Port: 9999) or irc://irc.oftc.net:6667 #osm (non-SSL, Port: 6667, alternative Ports: 6668-6670, 7000) other chat rooms are listed below , but #osm is fine for most purposes, and has the most people on it. More Info …