Programmers
Q&A for professional programmers interested in conceptual questions about software development
Server Fault
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Cross Validated
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Mathematics
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User Experience
Q&A for user experience researchers and experts
Graphic Design
Q&A for professional graphic designers and non-designers trying to do their own graphic design
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
Motor Vehicle Maintenance & Repair
Q&A for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles
Web Applications
Q&A for power users of web applications
Database Administrators
Q&A for database professionals who wish to improve their database skills and learn from others in the community
Cryptography
Q&A for software developers, mathematicians and others interested in cryptography
Physics
Q&A for active researchers, academics and students of physics
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Meta Stack Overflow
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Game Development
Q&A for professional and independent game developers
Audio-Video Production
Q&A for engineers, producers, editors, and enthusiasts spanning the fields of audio, video, and media creation
Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
