Physics
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Stack Exchange Network staging zone, where users come together to build new Q&A sites
Cross Validated
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Electrical Engineering
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Server Fault
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TeX - LaTeX
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English Language & Usage
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Ask Different
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Bicycles
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Science Fiction & Fantasy
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Database Administrators
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Photography
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Theoretical Computer Science
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Android Enthusiasts
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Unix & Linux
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German Language & Usage
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Spanish Language & Usage
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Japanese Language & Usage
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Sports
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French Language & Usage
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Quantitative Finance
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Graphic Design
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Personal Finance & Money
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Physical Fitness
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Academia
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Martial Arts
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Software Quality Assurance & Testing
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Signal Processing
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Cognitive Sciences
Q&A for practitioners, researchers, and students in cognitive science, psychology, neuroscience, and psychiatry
Computer Science
Q&A for students, researchers and practitioners of computer science
Cryptography
Q&A for software developers, mathematicians and others interested in cryptography
Programming Puzzles & Code Golf
Q&A for programming puzzle enthusiasts and code golfers
Homebrewing
Q&A for dedicated home brewers and serious enthusiasts
Motor Vehicle Maintenance & Repair
Q&A for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles
The Great Outdoors
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Biology
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Linguistics
Q&A for professional linguists and others with an interest in linguistic research and theory
Computational Science
Q&A for scientists using computers to solve scientific problems