a list of all rooms, recently active rooms first
General chat for Physics SE (https://physics.stackexchange.com/). For MathJax see https://meta.stackexchange.com/a/220976. Don't ask about asking, just ask.
Welcome to The Awkward Silence! Here, you can find the general discussion for https://interpersonal.stackexchange.com. Feel free to ask your questions about the site, or participate when people are practicing their smalltalk skills! "True friendship comes when the silence between two people is comfortable." ― David Tyson.
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
Discussions about general VBA. Also the war room of the Rubberduck project (http://www.rubberduckvba.com | http://www.github.com/rubberduck-vba/Rubberduck).
Эта комната посвящена обсуждению C#: всё, что не подходит в формат вопроса.
Game development and other polite discussion. Game development conversations have priority. Please star responsibly. Be Nice applies here: https://gamedev.stackexchange.com/help/be-nice
An experiment in a custom site: https://github.com/Axtell https://gist.github.com/Mego/3c00ee84c6826e56590ad0d340a82d84
ðiː ˌɪŋkɒmpɹɨˈhɛnsɨbəɫ ˈɻʷuːm (EL&U main chatroom) http://meta.english.stackexchange.com/questions/tagged/chat-faq
Welcome to chat for http://literature.stackexchange.com/! -- Read any good books lately?
This room is NOT for 'Live Support', Please ask on the main site. Thank you!
For all you Super Users out there. You have backups, right?
Welcome back, my Master! (お帰りなさいませ、ご主人様!) Sit wherever you'd like and enjoy some General Chat for https://anime.stackexchange.com/. Now serving anime and manga images in regular intervals via our maid service. To learn more about our maid service, please visit: https://anime.meta.stackexchange.com/q/1166/191
Normally: General discussion around Ask Ubuntu, Ubuntu & official Ubuntu derivatives. For other Linux distros please see: http://chat.stackexchange.com/rooms/26/dev-chat
Haikus are awesome / Chemistry's even better / So pull up a chair
A place to chat about the Bitcoin Stackexchange, crypto in general, and anything else that might be up.