a list of all rooms, recently active rooms first
Where diamonds are made and smoke is detected. Andy's "79170 comments flagged, 78861 deemed helpful" is crazy. Oneboxes are awesome. Handy links: http://erwaysoftware.com/blaze, https://github.com/Charcoal-SE
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)
General discussion for http://german.stackexchange.com. You may speak both German and English here.
General discussion for http://codegolf.stackexchange.com | Guidelines: http://ppcg.github.io/chatiquette/
This is the main chat room for English Language Learners Stack Exchange. Welcome!
General chat for Physics Stack Exchange (http://physics.stackexchange.com/). For MathJax see https://meta.stackexchange.com/a/220976
Haikus are awesome / Chemistry's even better / So pull up a chair
Normally: General discussion around Ask Ubuntu, Ubuntu & official Ubuntu derivatives. For other Linux distros please see: http://chat.stackexchange.com/rooms/26/dev-chat
For English language enthusiasts; http://meta.english.stackexchange.com/questions/tagged/chat-faq
For posting links to sport news, articles, interesting stats, ...
Development discussion and testing of Chemobot. Possibly also a migration graveyard for "deleted" messages.
It Is a Real Place, and You Will Be Sent There at the First Sign of Defiance. (wherein @fredley really IS an idiot)
General discussion for http://space.stackexchange.com/. Check our scheduled chat events at http://chat.stackexchange.com/rooms/info/9682/the-pod-bay?tab=schedule
For all you Super Users out there. Current topics: Technology, Taylor Swift, and Cucumbers. You have backups, right?