Stack Overflow
Q&A for professional and enthusiast programmers
Super User
Q&A for computer enthusiasts and power users
Sound Design
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Code Golf
Q&A for programming puzzle enthusiasts and code golfers
Japanese Language
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Law
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Seasoned Advice
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Raspberry Pi
Q&A for users and developers of hardware and software for Raspberry Pi
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
Blender
Q&A for people who use Blender to create 3D graphics, animations, or games
Information Security
Q&A for information security professionals
Worldbuilding
Q&A for writers/artists using science, geography and culture to construct imaginary worlds and settings
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Music: Practice & Theory
Q&A for musicians, students, and enthusiasts
Ask Ubuntu
Q&A for Ubuntu users and developers