Stack Overflow
Q&A for professional and enthusiast programmers
Server Fault
Q&A for system and network administrators
Super User
Q&A for computer enthusiasts and power users
Parenting
Q&A for parents, grandparents, nannies and others with a parenting role
Seasoned Advice
Q&A for professional and amateur chefs
Area 51
Q&A for proposing new sites in the Stack Exchange network
Travel
Q&A for road warriors and seasoned travelers
Software Engineering
Q&A for professionals, academics, and students working within the systems development life cycle
Database Administrators
Q&A for database professionals who wish to improve their database skills and learn from others in the community
Raspberry Pi
Q&A for users and developers of hardware and software for Raspberry Pi
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
Vi and Vim
Q&A for people using the vi and Vim families of text editors
Pets
Q&A for pet owners, caretakers, breeders, veterinarians, and trainers
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Ask Different
Q&A for power users of Apple hardware and software
Information Security
Q&A for information security professionals
Blender
Q&A for people who use Blender to create 3D graphics, animations, or games
User Experience
Q&A for user experience researchers and experts
Stack Apps
Q&A for apps, scripts, and development with the Stack Exchange API
Ask Ubuntu
Q&A for Ubuntu users and developers
Game Development
Q&A for professional and independent game developers
Web Applications
Q&A for power users of web applications
Arqade
Q&A for passionate videogamers on all platforms
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems