Stack Overflow
Q&A for professional and enthusiast programmers
Mi Yodeya
Q&A for those who base their lives on Jewish law and tradition and anyone interested in learning more
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Super User
Q&A for computer enthusiasts and power users
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Area 51
Q&A for proposing new sites in the Stack Exchange network
Meta Stack Exchange
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Server Fault
Q&A for system and network administrators
Android Enthusiasts
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Ask Ubuntu
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The Workplace
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Unix & Linux
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Skeptics
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Ask Different
Q&A for power users of Apple hardware and software
Physical Fitness
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