Retrocomputing
Q&A for vintage-computer hobbyists interested in restoring, preserving, and using the classic computer and gaming systems of yesteryear
Stack Overflow
Q&A for professional and enthusiast programmers
Personal Finance & Money
Q&A for people who want to be financially literate
The Great Outdoors
Q&A for people who love being outdoors enjoying nature and wilderness, and learning about the required skills and equipment
Hardware Recommendations
Q&A for people seeking specific hardware recommendations
Area 51
Q&A for proposing new sites in the Stack Exchange network
Travel
Q&A for road warriors and seasoned travelers
Law
Q&A for legal professionals, students, and others with experience or interest in law
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
Ask Ubuntu
Q&A for Ubuntu users and developers
Database Administrators
Q&A for database professionals who wish to improve their database skills and learn from others in the community
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
German Language
Q&A for speakers of German wanting to discuss the finer points of the language and translation
Photography
Q&A for professional, enthusiast and amateur photographers
Software Recommendations
Q&A for people seeking specific software recommendations
Motor Vehicle Maintenance & Repair
Q&A for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles
Board & Card Games
Q&A for people who like playing board games, designing board games or modifying the rules of existing board games
Ask Different
Q&A for power users of Apple hardware and software
Physical Fitness
Q&A for physical fitness professionals, athletes, trainers, and those providing health-related needs
Home Improvement
Q&A for contractors and serious DIYers
Web Applications
Q&A for power users of web applications
Academia
Q&A for academics and those enrolled in higher education
Engineering
Q&A for professionals and students of engineering
Language Learning
Q&A for students, teachers, polyglots, and anyone interested in the techniques of second-language acquisition
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Italian Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Italian language
Bitcoin
Q&A for Bitcoin users, developers, and enthusiasts
Information Security
Q&A for information security professionals
Ethereum
Q&A for users of Ethereum, the decentralized application platform and smart contract enabled blockchain
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
Graphic Design
Q&A for Graphic Design professionals, students, and enthusiasts
Astronomy
Q&A for astronomers and astrophysicists
Signal Processing
Q&A for practitioners of the art and science of signal, image and video processing
Data Science
Q&A for Data science professionals, Machine Learning specialists, and those interested in learning more about the field
Expatriates
Q&A for people living abroad on a long-term basis
Geographic Information Systems
Q&A for cartographers, geographers and GIS professionals
DevOps
Q&A for software engineers working on automated testing, continuous delivery, service integration and monitoring, and building SDLC infrastructure
Cryptography
Q&A for software developers, mathematicians and others interested in cryptography
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Computer Graphics
Q&A for computer graphics researchers and programmers
Code Review
Q&A for peer programmer code reviews
Politics
Q&A for people interested in governments, policies, and political processes
Computational Science
Q&A for scientists using computers to solve scientific problems
Space Exploration
Q&A for spacecraft operators, scientists, engineers, and enthusiasts
Physics
Q&A for active researchers, academics and students of physics
Lifehacks
Q&A for people looking to bypass life's everyday problems with simple tricks
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Biology
Q&A for biology researchers, academics, and students
Mathematics
Q&A for people studying math at any level and professionals in related fields
Bicycles
Q&A for people who build and repair bicycles, people who train cycling, or commute on bicycles
Computer Science
Q&A for students, researchers and practitioners of computer science
Chemistry
Q&A for scientists, academics, teachers, and students in the field of chemistry
Server Fault
Q&A for system and network administrators
Linguistics
Q&A for professional linguists and others with an interest in linguistic research and theory
Game Development
Q&A for professional and independent game developers
Artificial Intelligence
Q&A for people interested in conceptual questions about life and challenges in a world where "cognitive" functions can be mimicked in purely digital environment
Network Engineering
Q&A for network engineers
Software Engineering
Q&A for professionals, academics, and students working within the systems development life cycle
Sustainable Living
Q&A for folks dedicated to a lifestyle that can be maintained indefinitely without depleting available resources
Raspberry Pi
Q&A for users and developers of hardware and software for Raspberry Pi
Music: Practice & Theory
Q&A for musicians, students, and enthusiasts
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
User Experience
Q&A for user experience researchers and experts