a list of all rooms, recently active rooms first
A backup room for when the h bar is busy (https://chat.stackexchange.com/rooms/71/the-h-bar)
Discussion about site proposal at http://area51.stackexchange.com/proposals/96086/paranormal
General discussion for http://academia.stackexchange.com
Spoiler warning: chat about comic related movies and tv shows | If you have a question, "The Speed Force did it" is the answer.
One does not simply speak English 24/7. (This is the german Fork of the Periodic Table: http://chat.stackexchange.com/rooms/3229/the-periodic-table)
Salón de chat para hablar sobre Java y otras tecnologías asociadas a la JVM
A room for those involved in Worldbuilding's blog, Universe Factory: http://medium.com/universe-factory. For help, see http://meta.worldbuilding.stackexchange.com/q/2590 and its answers.
Discussion of the Jelly programming language. (https://github.com/DennisMitchell/jelly, http://jelly.tryitonline.net/)
Discussions about general VBA. Also the war room of the Rubberduck project (http://www.rubberduck-vba.com | http://www.github.com/rubberduck-vba/Rubberduck).
It Is a Real Place, and You Will Be Sent There at the First Sign of Defiance. (wherein @fredley really IS an idiot)