Stack Overflow
Q&A for professional and enthusiast programmers
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Super User
Q&A for computer enthusiasts and power users
Server Fault
Q&A for system and network administrators
Computer Science
Q&A for students, researchers and practitioners of computer science
Academia
Q&A for academics and those enrolled in higher education
Software Engineering
Q&A for professionals, academics, and students working within the systems development life cycle
German Language
Q&A for speakers of German wanting to discuss the finer points of the language and translation
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Retrocomputing
Q&A for vintage-computer hobbyists interested in restoring, preserving, and using the classic computer and gaming systems of yesteryear
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Bicycles
Q&A for people who build and repair bicycles, people who train cycling, or commute on bicycles
Reverse Engineering
Q&A for researchers and developers who explore the principles of a system through analysis of its structure, function, and operation
Game Development
Q&A for professional and independent game developers