a list of all rooms, recently active rooms first
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 conversations involving the new Riddle Sandbox - http://meta.puzzling.stackexchange.com/questions/5276/the-riddle-sandbox
A room for anyone interested in homotopy theory, or any nearby fields (e.g. category theory, algebraic geometry). To activate chatjax in this room go to http://meta.math.stackexchange.com/questions/1088/should-chat-have-tex-support/3297#3297
Sometimes hot, always heavy. (http://cooking.stackexchange.com/)
For all you Super Users out there. Current topics: Technology, Tea & Taylor Swift. You have backups, right?
General discussion for http://scifi.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.
A place to talk with friends from the EE community about vacuum nanotubes ... and beer..
General discussion for http://codegolf.stackexchange.com | Guidelines: http://ppcg.github.io/chatiquette/
General chat for Physics Stack Exchange (http://physics.stackexchange.com/). For MathJax see https://meta.stackexchange.com/a/220976
Be careful, we're crafty! Community chat for http://crafts.stackexchange.com
General discussion for http://movies.stackexchange.com
Welcome! This is the main Mathematica chat room for http://mathematica.stackexchange.com/. Other than the general guidelines (http://chat.stackexchange.com/faq) in place, anything goes here. Feel free to discuss most things.
Where diamonds are made and SE is hacked. Andy's "79170 comments flagged, 78861 deemed helpful" is crazy. Oneboxes are awesome. Handy links: http://erwaysoftware.com/blaze, https://github.com/Charcoal-SE
All Monster Hunter talk, all the time. Or, just about anything, really.
General discussion about http://codereview.stackexchange.com/ - Welcome to The 2nd Monitor! http://meta.codereview.stackexchange.com/questions/5967/welcome-to-the-2nd-monitor - Site Business always comes first