Server Fault
Q&A for professional system and network administrators
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Programmers
Q&A for professional programmers interested in conceptual questions about software development
Cryptography
Q&A for software developers, mathematicians and others interested in cryptography
Physics
Q&A for active researchers, academics and students of physics
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.
Database Administrators
Q&A for database professionals who wish to improve their database skills and learn from others in the community
Theoretical Computer Science
Q&A for theoretical computer scientists and researchers in related fields
Mathematics
Q&A for people studying math at any level and professionals in related fields
Role-playing Games
Q&A for gamemasters and players of tabletop, paper-and-pencil role-playing games
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Musical Practice & Performance
Q&A for musicians, students, and enthusiasts
Writers
Q&A for authors, editors, reviewers, professional writers, and aspiring writers
