While there's no one else on right now (other than us), there is an [url=http://widget01.mibbit.com/?settings=c2129339a43d8c49d86c34fa8dff7610&server=irc.foonetic.net&channel=%23Aftermath]IRC[/url] channel available that can be used. Several of the people in this RP tend to frequent it, including both GMs.