There are so many other users on StackOverflow that I often feel superfluous. Answering questions becomes an exercise in speed typing.
Role-playing Games
Q&A for gamemasters and players of tabletop, paper-and-pencil role-playing games
Robotics
Q&A for professional robotic engineers, hobbyists, researchers and students
Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
User Experience
Q&A for user experience researchers and experts
Physics
Q&A for active researchers, academics and students of physics
Server Fault
Q&A for professional system and network administrators
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Graphic Design
Q&A for professional graphic designers and non-designers trying to do their own graphic design
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Game Development
Q&A for professional and independent game developers
Meta Stack Overflow
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Mathematics
Q&A for people studying math at any level and professionals in related fields
Musical Practice & Performance
Q&A for musicians, students, and enthusiasts
The Workplace
Q&A for members of the workforce navigating the professional setting
