Programmers
Q&A for professional programmers interested in conceptual questions about software development
Software Quality Assurance & Testing
Q&A for software quality control experts, automation engineers, and software testers
Theoretical Computer Science
Q&A for theoretical computer scientists and researchers in related fields
Server Fault
Q&A for professional system and network administrators
Meta Stack Overflow
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Mi Yodeya
Q&A for those who base their lives on Jewish law and tradition and anyone interested in learning more
Database Administrators
Q&A for database professionals who wish to improve their database skills and learn from others in the community
Cryptography
Q&A for software developers, mathematicians and others interested in cryptography
Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
