Academia
Q&A for academics and those enrolled in higher education
Stack Overflow
Q&A for professional and enthusiast programmers
The Workplace
Q&A for members of the workforce navigating the professional setting
Server Fault
Q&A for system and network administrators
Parenting
Q&A for parents, grandparents, nannies and others with a parenting role
Super User
Q&A for computer enthusiasts and power users
Ask Ubuntu
Q&A for Ubuntu users and developers
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
Raspberry Pi
Q&A for users and developers of hardware and software for Raspberry Pi
Game Development
Q&A for professional and independent game developers
Lifehacks
Q&A for people looking to bypass life's everyday problems with simple tricks
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Politics
Q&A for people interested in governments, policies, and political processes
Worldbuilding
Q&A for writers/artists using science, geography and culture to construct imaginary worlds and settings
Travel
Q&A for road warriors and seasoned travelers
Physics
Q&A for active researchers, academics and students of physics
Personal Finance & Money
Q&A for people who want to be financially literate
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Astronomy
Q&A for astronomers and astrophysicists
Biology
Q&A for biology researchers, academics, and students
Puzzling
Q&A for those who create, solve, and study puzzles
Information Security
Q&A for information security professionals
Role-playing Games
Q&A for gamemasters and players of tabletop, paper-and-pencil role-playing games
Movies & TV
Q&A for movie and TV enthusiasts
Music: Practice & Theory
Q&A for musicians, students, and enthusiasts
Database Administrators
Q&A for database professionals who wish to improve their database skills and learn from others in the community
Homebrewing
Q&A for dedicated home brewers and serious enthusiasts
History
Q&A for historians and history buffs
Aviation
Q&A for aircraft pilots, mechanics, and enthusiasts
User Experience
Q&A for user experience researchers and experts
Software Engineering
Q&A for professionals, academics, and students working within the systems development life cycle
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
Stack Apps
Q&A for apps, scripts, and development with the Stack Exchange API
Arqade
Q&A for passionate videogamers on all platforms
Space Exploration
Q&A for spacecraft operators, scientists, engineers, and enthusiasts
Interpersonal Skills
Q&A for people looking to improve their interpersonal communication skills