a list of all rooms, recently active rooms first
General discussion about Code Review -> http://codereview.stackexchange.com/
General discussion for http://blender.stackexchange.com. Feel free to ask around if you need help with something. See our stats at http://goo.gl/NS6CyS.
Associated with Math.SE; for both general discussion & math questions alike. Just ask; don't ask to ask. Rarely if ever expressible as a ratio of integers. See below for guidelines.
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
General discussion for http://lifehacks.stackexchange.com
Welcome back, my Master! お帰りなさいませ、ご主人様! Sit back and relax with general chat for http://anime.stackexchange.com/. We're now serving anime & manga with a side of Moé. Smiles are free and lolis are plentiful. Ask about our new maid service: http://meta.anime.stackexchange.com/q/1166/191
Where you can play with chat features (except flagging) without upsetting anyone.
General discussion for http://unix.stackexchange.com. If you have a question, see http://unix.stackexchange.com/questions/ask
General discussion for http://earthscience.stackexchange.com
General chat for Physics Stack Exchange (http://physics.stackexchange.com/). For MathJax use http://meta.math.stackexchange.com/a/3297#3297
Because no one likes Twisted Treeline. Join our ingame chatroom: GamingStackExchange
General Arqade chat room, wherein we let chat reply arrows do all the circular arguing for us, leaving us free to agree that pizza and bread bowls go well together like sex, marriage and "wherein".
"And speak of them" (Deut. 6:7) Speak of Jewish life and learning with the people of http://mi.yodeya.com
Open Discussion for http://math.stackexchange.com/election/5
Game development and other polite discussion. Please don't star trivial messages.