Code Golf
Q&A for programming puzzle enthusiasts and code golfers
Stack Overflow
Q&A for professional and enthusiast programmers
Super User
Q&A for computer enthusiasts and power users
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
Movies & TV
Q&A for movie and TV enthusiasts
Ask Different
Q&A for power users of Apple hardware and software
Graphic Design
Q&A for Graphic Design professionals, students, and enthusiasts
Vi and Vim
Q&A for people using the vi and Vim families of text editors
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Software Engineering
Q&A for professionals, academics, and students working within the systems development life cycle
Video Production
Q&A for engineers, producers, editors and enthusiasts spanning the fields of video and media creation
Travel
Q&A for road warriors and seasoned travelers
Arqade
Q&A for passionate videogamers on all platforms
The Workplace
Q&A for members of the workforce navigating the professional setting
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
User Experience
Q&A for user experience researchers and experts
English Language Learners
Q&A for speakers of other languages learning English
Information Security
Q&A for information security professionals
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Stack Apps
Q&A for apps, scripts, and development with the Stack Exchange API
Area 51
Q&A for proposing new sites in the Stack Exchange network