Board & Card Games
Q&A for people who like playing board games, designing board games or modifying the rules of existing board games
Personal Productivity ♦
Q&A for people wanting to improve their personal productivity
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Stack Overflow
Q&A for professional and enthusiast programmers
Motor Vehicle Maintenance & Repair
Q&A for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Physics
Q&A for active researchers, academics and students of physics
Parenting
Q&A for parents, grandparents, nannies and others with a parenting role
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
Ask Different
Q&A for power users of Apple hardware and software
Programmers
Q&A for professional programmers interested in conceptual questions about software development
The Workplace
Q&A for members of the workforce navigating the professional setting
English Language Learners
Q&A for speakers of other languages learning English
User Experience
Q&A for user experience researchers and experts
Server Fault
Q&A for professional system and network administrators
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Game Development
Q&A for professional and independent game developers
Ask Patents
Q&A for people interested in improving and participating in the patent system
Academia
Q&A for academics and those enrolled in higher education