Photography
Q&A for professional, enthusiast and amateur photographers
Ask Different
Q&A for power users of Apple hardware and software
Meta Stack Overflow
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
Programmers
Q&A for professional programmers interested in conceptual questions about software development
Database Administrators
Q&A for database professionals who wish to improve their database skills and learn from others in the community
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Bicycles
Q&A for people who build and repair bicycles, people who train cycling, or commute on bicycles
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
User Experience
Q&A for user experience researchers and experts
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Stack Apps
Q&A for apps, scripts, and development with the Stack Exchange API
Server Fault
Q&A for professional system and network administrators
Mathematics
Q&A for people studying math at any level and professionals in related fields
Windows Phone
Q&A for enthusiasts and power users of Windows Phone OS
Personal Productivity
Q&A for people wanting to improve their personal productivity
German Language & Usage
Q&A for speakers of German wanting to discuss the finer points of the language and translation
