Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
Academia
Q&A for academics and those enrolled in higher education
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
Game Development
Q&A for professional and independent game developers
Mathematics
Q&A for people studying math at any level and professionals in related fields
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Server Fault
Q&A for professional system and network administrators
Ask Different
Q&A for power users of Apple hardware and software
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Theoretical Computer Science
Q&A for theoretical computer scientists and researchers in related fields
Computer Science
Q&A for students, researchers and practitioners of computer science
Meta Stack Overflow
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
