Stack Overflow
Q&A for professional and enthusiast programmers
Code Review
Q&A for peer programmer code reviews
Super User
Q&A for computer enthusiasts and power users
Blender
Q&A for people who use Blender to create 3D graphics, animations, or games
Game Development
Q&A for professional and independent game developers
Data Science
Q&A for Data science professionals, Machine Learning specialists, and those interested in learning more about the field
Skeptics
Q&A for scientific skepticism
Retrocomputing
Q&A for vintage-computer hobbyists interested in restoring, preserving, and using the classic computer and gaming systems of yesteryear
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Reverse Engineering
Q&A for researchers and developers who explore the principles of a system through analysis of its structure, function, and operation
DevOps
Q&A for software engineers working on automated testing, continuous delivery, service integration and monitoring, and building SDLC infrastructure
Mathematica
Q&A for users of Wolfram Mathematica
Code Golf
Q&A for programming puzzle enthusiasts and code golfers
Cryptography
Q&A for software developers, mathematicians and others interested in cryptography
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Computer Science
Q&A for students, researchers and practitioners of computer science
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Signal Processing
Q&A for practitioners of the art and science of signal, image and video processing
Physics
Q&A for active researchers, academics and students of physics
Computer Graphics
Q&A for computer graphics researchers and programmers
Mathematics
Q&A for people studying math at any level and professionals in related fields
Software Engineering
Q&A for professionals, academics, and students working within the systems development life cycle
Ask Ubuntu
Q&A for Ubuntu users and developers
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
Server Fault
Q&A for system and network administrators
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Music: Practice & Theory
Q&A for musicians, students, and enthusiasts