Stack Overflow
Q&A for professional and enthusiast programmers
Board & Card Games
Q&A for people who like playing board games, designing board games or modifying the rules of existing board games
Software Quality Assurance & Testing ♦
Q&A for software quality control experts, automation engineers, and software testers
The Workplace
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Meta Stack Exchange
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Science Fiction & Fantasy
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English Language & Usage
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Interpersonal Skills
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User Experience
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Role-playing Games
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Software Engineering
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Game Development
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Super User
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Chess
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Computer Science
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Code Golf
Q&A for programming puzzle enthusiasts and code golfers
Server Fault
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Astronomy
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Community Building
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Skeptics
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Area 51
Q&A for proposing new sites in the Stack Exchange network
Space Exploration
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Information Security
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Philosophy
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Home Improvement
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Poker
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Aviation
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Music: Practice & Theory
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Database Administrators
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Pets
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Russian Language
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Mathematics Educators
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Travel
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Law
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Software Recommendations
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Project Management
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Ethereum
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Biology
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Gardening & Landscaping
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Expatriates
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Engineering
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Seasoned Advice
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WordPress Development
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Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
Sound Design
Q&A for sound engineers, producers, editors, and enthusiasts
Earth Science
Q&A for those interested in the geology, meteorology, oceanography, and environmental sciences
Computer Science Educators
Q&A for those involved in the field of teaching Computer Science
Retrocomputing
Q&A for vintage-computer hobbyists interested in restoring, preserving, and using the classic computer and gaming systems of yesteryear
Bicycles
Q&A for people who build and repair bicycles, people who train cycling, or commute on bicycles
Salesforce
Q&A for Salesforce administrators, implementation experts, developers and anybody in-between
Bitcoin
Q&A for Bitcoin users, developers, and enthusiasts
Literature
Q&A for scholars and enthusiasts of literature
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Q&A for those who study, teach, research and apply economics and econometrics
Photography
Q&A for professional, enthusiast and amateur photographers
Open Source
Q&A for people organizing, marketing or licensing open source development projects
Latin Language
Q&A for linguists, teachers, and students wanting to discuss the finer points of the Latin language
DevOps
Q&A for software engineers working on automated testing, continuous delivery, service integration and monitoring, and building SDLC infrastructure
Signal Processing
Q&A for practitioners of the art and science of signal, image and video processing
Language Learning
Q&A for students, teachers, polyglots, and anyone interested in the techniques of second-language acquisition
Reverse Engineering
Q&A for researchers and developers who explore the principles of a system through analysis of its structure, function, and operation
Data Science
Q&A for Data science professionals, Machine Learning specialists, and those interested in learning more about the field
Sustainable Living
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Operations Research
Q&A for operations research and analytics professionals, educators, and students
Linguistics
Q&A for professional linguists and others with an interest in linguistic research and theory
Cross Validated
Q&A for people interested in statistics, machine learning, data analysis, data mining, and data visualization
History of Science and Mathematics
Q&A for people interested in the history and origins of science and mathematics
Lifehacks
Q&A for people looking to bypass life's everyday problems with simple tricks
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
Physical Fitness
Q&A for physical fitness professionals, athletes, trainers, and those providing health-related needs
Graphic Design
Q&A for Graphic Design professionals, students, and enthusiasts
Ask Different
Q&A for power users of Apple hardware and software
Quantitative Finance
Q&A for finance professionals and academics
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Stack Apps
Q&A for apps, scripts, and development with the Stack Exchange API
Cryptography
Q&A for software developers, mathematicians and others interested in cryptography
Vi and Vim
Q&A for people using the vi and Vim families of text editors
Spanish Language
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Chemistry
Q&A for scientists, academics, teachers, and students in the field of chemistry
Freelancing
Q&A for self-employed and freelance workers
The Great Outdoors
Q&A for people who love being outdoors enjoying nature and wilderness, and learning about the required skills and equipment
Christianity
Q&A for committed Christians, experts in Christianity and those interested in learning more
German Language
Q&A for speakers of German wanting to discuss the finer points of the language and translation
Magento
Q&A for users of the Magento e-Commerce platform
MathOverflow
Q&A for professional mathematicians
Coffee
Q&A for people interested in all aspects of producing and consuming coffee
SharePoint
Q&A for SharePoint enthusiasts
French Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the French language
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
Constructed Languages
Q&A for designers and users of artificial or invented languages, consciously developed instead of having developed naturally
Music Fans
Q&A for music historians, critics, and fans
Ask Patents
Q&A for people interested in improving the patent system
Mathematica
Q&A for users of Wolfram Mathematica
Web Applications
Q&A for power users of web applications