a list of all rooms, recently active rooms first
Discussion for http://opensource.stackexchange.com/questions/4408/does-a-gpl-image-infect-my-blog-post
API, apps, and scripts that work on http://stackexchange.com/sites
General discussion for http://hardwarerecs.stackexchange.com
User Experience (http://ux.stackexchange.com) community chat room: talk about user experience design, user interface design, visual design, usability, accessibility, and any related topics.
General discussion for http://meta.matheducators.stackexchange.com
The room where you'll find Stack Exchange's most productive people -- taking a short break!
General discussion for http://sustainability.stackexchange.com
General discussion for http://pets.stackexchange.com. Pet gifs welcome.
General discussion for http://martialarts.stackexchange.com. Bow when entering and leaving.