Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Board & Card Games
Q&A for people who like playing board games, designing board games or modifying the rules of existing board games
Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
Graphic Design
Q&A for professional graphic designers and non-designers trying to do their own graphic design
Game Development
Q&A for professional and independent game developers
Signal Processing
Q&A for practitioners of the art and science of signal, image and video processing
Musical Practice & Performance
Q&A for musicians, students, and enthusiasts
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
User Experience
Q&A for user experience researchers and experts
Meta Stack Overflow
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Mathematics
Q&A for people studying math at any level and professionals in related fields
Programmers
Q&A for professional programmers interested in conceptual questions about software development
Server Fault
Q&A for professional system and network administrators
Stack Overflow
Q&A for professional and enthusiast programmers
Seasoned Advice
Q&A for professional and amateur chefs
Web Applications
Q&A for power users of web applications
Personal Productivity
Q&A for people wanting to improve their personal productivity
Answers OnStartups
Q&A for entrepreneurs looking to start or run a new business
Personal Finance & Money
Q&A for people who want to be financially literate
Cryptography
Q&A for software developers, mathematicians and others interested in cryptography