“The best thing about a boolean is even if you are wrong, you are only off by a bit.”
(Anonymous)
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Programmers
Q&A for professional programmers interested in conceptual questions about software development
Meta Stack Overflow
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Server Fault
Q&A for professional system and network administrators
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
Photography
Q&A for professional, enthusiast and amateur photographers
Stack Apps
Q&A for apps, scripts, and development with the Stack Exchange API
Role-playing Games
Q&A for gamemasters and players of tabletop, paper-and-pencil role-playing games
Physical Fitness
Q&A for physical fitness professionals, athletes, trainers, and those providing health-related needs
Programming Puzzles & Code Golf
Q&A for programming puzzle enthusiasts and code golfers
Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites