User Experience
Q&A for user experience researchers and experts
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Computer Science
Q&A for students, researchers and practitioners of computer science
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
Physics
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Web Applications
Q&A for power users of web applications
Programmers
Q&A for professional programmers interested in conceptual questions about software development
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
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
Theoretical Computer Science
Q&A for theoretical computer scientists and researchers in related fields
Personal Finance & Money
Q&A for people who want to be financially literate
Programming Puzzles & Code Golf
Q&A for programming puzzle enthusiasts and code golfers
Chess
Q&A for serious players and enthusiasts of chess
Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
