Stack Overflow
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English Language Learners
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Cross Validated
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Code Golf
Q&A for programming puzzle enthusiasts and code golfers
Aviation
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Raspberry Pi
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Arqade
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Web Applications
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Unix & Linux
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Database Administrators
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Android Enthusiasts
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Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Graphic Design
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Information Security
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Lifehacks
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English Language & Usage
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Ask Different
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Software Engineering
Q&A for professionals, academics, and students working within the systems development life cycle
Open Source
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Japanese Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Japanese language
elementary OS
Q&A for developers and users of elementary OS and applications