Area 51
Q&A for proposing new sites in the Stack Exchange network
Arqade
Q&A for passionate videogamers on all platforms
Aviation
Q&A for aircraft pilots, mechanics, and enthusiasts
Super User
Q&A for computer enthusiasts and power users
Stack Overflow
Q&A for professional and enthusiast programmers
Movies & TV
Q&A for movie and TV enthusiasts
Server Fault
Q&A for system and network administrators
Game Development
Q&A for professional and independent game developers
Mathematics
Q&A for people studying math at any level and professionals in related fields
Chemistry
Q&A for scientists, academics, teachers, and students in the field of chemistry
Web Applications
Q&A for power users of web applications
Software Recommendations
Q&A for people seeking specific software recommendations
Code Golf
Q&A for programming puzzle enthusiasts and code golfers
Blender
Q&A for people who use Blender to create 3D graphics, animations, or games