* [ircs://irc.mozilla.org/contributors #contributors] - A offtopic channel for all contributors to chat in and discuss their projects with each other (although this channel still exists, discussion has moved to [ircs://irc.mozilla.org/mozillians #mozillians])
* [ircs://irc.mozilla.org/developers #developers] - general Firefox and Gecko development discussion
* [ircs://irc.mozilla.org/Moc #Moc] - Mozilla's Operation Center - to reach out to mozilla's IT staff
* [ircs://irc.mozilla.org/planning #planning] - discussion of upcoming Firefox and Gecko branch and trunk releases