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
Audio-Video Production
Q&A for engineers, producers, editors, and enthusiasts spanning the fields of audio, video, and media creation
Programmers
Q&A for professional programmers interested in conceptual questions about software development
Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
Computer Science
Q&A for students, researchers and practitioners of computer science
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
Windows Phone
Q&A for enthusiasts and power users of Windows Phone OS
Mathematics
Q&A for people studying math at any level and professionals in related fields
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Cross Validated
Q&A for statisticians, data analysts, data miners and data visualization experts
Physics
Q&A for active researchers, academics and students of physics
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
User Experience
Q&A for user experience researchers and experts
Server Fault
Q&A for professional system and network administrators
Personal Productivity
Q&A for people wanting to improve their personal productivity
Musical Practice & Performance
Q&A for musicians, students, and enthusiasts
Christianity
Q&A for committed Christians, experts in Christianity and those interested in learning more
Spanish Language & Usage
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Spanish language
