Stack Overflow
Q&A for professional and enthusiast programmers
Computer Science
Q&A for students, researchers and practitioners of computer science
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
Mathematics
Q&A for people studying math at any level and professionals in related fields
Programming Puzzles & Code Golf
Q&A for programming puzzle enthusiasts and code golfers
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
Theoretical Computer Science
Q&A for theoretical computer scientists and researchers in related fields
Physics
Q&A for active researchers, academics and students of physics
German Language & Usage
Q&A for speakers of German wanting to discuss the finer points of the language and translation
Computational Science
Q&A for scientists using computers to solve scientific problems
