Q&A for professional and enthusiast programmers
Q&A for database professionals who wish to improve their database skills and learn from others in the community
Q&A for user experience researchers and experts
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Q&A for computer enthusiasts and power users
Q&A for Ubuntu users and developers
Q&A for professional system and network administrators
Stack Exchange Network staging zone, where users come together to build new Q&A sites