Quantum Computing ♦
Q&A for engineers, scientists, programmers, and computing professionals interested in quantum computing
Physics
Q&A for active researchers, academics and students of physics
Mathematics
Q&A for people studying math at any level and professionals in related fields
Vi and Vim
Q&A for people using the vi and Vim families of text editors
Stack Overflow
Q&A for professional and enthusiast programmers
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Super User
Q&A for computer enthusiasts and power users
Cross Validated
Q&A for people interested in statistics, machine learning, data analysis, data mining, and data visualization
MathOverflow
Q&A for professional mathematicians
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Computer Science
Q&A for students, researchers and practitioners of computer science
Ask Ubuntu
Q&A for Ubuntu users and developers
Area 51
Q&A for proposing new sites in the Stack Exchange network
Code Review
Q&A for peer programmer code reviews
Medical Sciences
Q&A for professionals in medical and allied health fields, students of those professions, related academics, and others with a sound understanding of medicine and healthcare-related sciences
Signal Processing
Q&A for practitioners of the art and science of signal, image and video processing
Theoretical Computer Science
Q&A for theoretical computer scientists and researchers in related fields
Biology
Q&A for biology researchers, academics, and students
Computational Science
Q&A for scientists using computers to solve scientific problems
English Language Learners
Q&A for speakers of other languages learning English
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Software Quality Assurance & Testing
Q&A for software quality control experts, automation engineers, and software testers
Travel
Q&A for road warriors and seasoned travelers
Astronomy
Q&A for astronomers and astrophysicists
Japanese Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Japanese language
Italian Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Italian language
Philosophy
Q&A for those interested in the study of the fundamental nature of knowledge, reality, and existence
Politics
Q&A for people interested in governments, policies, and political processes
Cryptography
Q&A for software developers, mathematicians and others interested in cryptography
Linguistics
Q&A for professional linguists and others with an interest in linguistic research and theory
Ethereum
Q&A for users of Ethereum, the decentralized application platform and smart contract enabled blockchain
Bitcoin
Q&A for Bitcoin users, developers, and enthusiasts
Christianity
Q&A for committed Christians, experts in Christianity and those interested in learning more
WordPress Development
Q&A for WordPress developers and administrators
French Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the French language
Law
Q&A for legal professionals, students, and others with experience or interest in law
Physical Fitness
Q&A for physical fitness professionals, athletes, trainers, and those providing health-related needs
Mathematics Educators
Q&A for those involved in the field of teaching mathematics
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
Coffee
Q&A for people interested in all aspects of producing and consuming coffee
The Great Outdoors
Q&A for people who love being outdoors enjoying nature and wilderness, and learning about the required skills and equipment
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
Network Engineering
Q&A for network engineers
Quantitative Finance
Q&A for finance professionals and academics
Stack Apps
Q&A for apps, scripts, and development with the Stack Exchange API
Role-playing Games
Q&A for gamemasters and players of tabletop, paper-and-pencil role-playing games
Retrocomputing
Q&A for vintage-computer hobbyists interested in restoring, preserving, and using the classic computer and gaming systems of yesteryear
Matter Modeling
Q&A for materials modelers and data scientists
Chess
Q&A for serious players and enthusiasts of chess
Operations Research
Q&A for operations research and analytics professionals, educators, and students
Writing
Q&A for the craft of professional writing, including fiction, non-fiction, technical, scholarly, and commercial writing
Movies & TV
Q&A for movie and TV enthusiasts
Data Science
Q&A for Data science professionals, Machine Learning specialists, and those interested in learning more about the field
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
Psychology & Neuroscience
Q&A for practitioners, researchers, and students in cognitive science, psychology, neuroscience, and psychiatry
History of Science and Mathematics
Q&A for people interested in the history and origins of science and mathematics
Information Security
Q&A for information security professionals
Lifehacks
Q&A for people looking to bypass life's everyday problems with simple tricks
Personal Finance & Money
Q&A for people who want to be financially literate
Economics
Q&A for those who study, teach, research and apply economics and econometrics
Worldbuilding
Q&A for writers/artists using science, geography and culture to construct imaginary worlds and settings
Anime & Manga
Q&A for anime and manga fans
Software Recommendations
Q&A for people seeking specific software recommendations
Pets
Q&A for pet owners, caretakers, breeders, veterinarians, and trainers
Home Improvement
Q&A for contractors and serious DIYers
Chemistry
Q&A for scientists, academics, teachers, and students in the field of chemistry
Web Applications
Q&A for power users of web applications
Server Fault
Q&A for system and network administrators
Arqade
Q&A for passionate videogamers on all platforms
Ask Different
Q&A for power users of Apple hardware and software
Graphic Design
Q&A for Graphic Design professionals, students, and enthusiasts
The Workplace
Q&A for members of the workforce navigating the professional setting
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Parenting
Q&A for parents, grandparents, nannies and others with a parenting role
Game Development
Q&A for professional and independent game developers
Blender
Q&A for people who use Blender to create 3D graphics, animations, or games
Code Golf
Q&A for programming puzzle enthusiasts and code golfers
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Puzzling
Q&A for those who create, solve, and study puzzles
Space Exploration
Q&A for spacecraft operators, scientists, engineers, and enthusiasts
Aviation
Q&A for aircraft pilots, mechanics, and enthusiasts
Reverse Engineering
Q&A for researchers and developers who explore the principles of a system through analysis of its structure, function, and operation
Computer Graphics
Q&A for computer graphics researchers and programmers
GenAI
Q&A for GenAI enthusiasts and practitioners and those interested in learning more about using GenAI tools
Programming Language Design and Implementation
Q&A for designers and implementers of computer programming languages