Stack Overflow
Q&A for professional and enthusiast programmers
Arqade
Q&A for passionate videogamers on all platforms
Science Fiction & Fantasy
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Software Engineering
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Personal Finance & Money
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Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Game Development
Q&A for professional and independent game developers
Bitcoin
Q&A for Bitcoin users, developers, and enthusiasts
Retrocomputing
Q&A for vintage-computer hobbyists interested in restoring, preserving, and using the classic computer and gaming systems of yesteryear
Super User
Q&A for computer enthusiasts and power users
English Language & Usage
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Physics
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Mathematics
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Server Fault
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French Language
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Quantum Computing
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Artificial Intelligence
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Space Exploration
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Computer Science
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Home Improvement
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Seasoned Advice
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Travel
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Academia
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Code Golf
Q&A for programming puzzle enthusiasts and code golfers
Graphic Design
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Photography
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Skeptics
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Movies & TV
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Philosophy
Q&A for those interested in the study of the fundamental nature of knowledge, reality, and existence
Parenting
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Role-playing Games
Q&A for gamemasters and players of tabletop, paper-and-pencil role-playing games
Computer Graphics
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Worldbuilding
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Interpersonal Skills
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Area 51
Q&A for proposing new sites in the Stack Exchange network