Stack Overflow
Q&A for professional and enthusiast programmers
Super User
Q&A for computer enthusiasts and power users
Database Administrators
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Server Fault
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Bicycles
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Information Security
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Cryptography
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Area 51
Q&A for proposing new sites in the Stack Exchange network
Electrical Engineering
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Hardware Recommendations
Q&A for people seeking specific hardware recommendations
Internet of Things
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Motor Vehicle Maintenance & Repair
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Web Applications
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Data Science
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Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Cross Validated
Q&A for people interested in statistics, machine learning, data analysis, data mining, and data visualization
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Code Review
Q&A for peer programmer code reviews
Personal Finance & Money
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The Great Outdoors
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Unix & Linux
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Home Improvement
Q&A for contractors and serious DIYers
Spanish Language
Q&A for linguists, teachers, students and Spanish language enthusiasts in general wanting to discuss the finer points of the language
DevOps
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Software Engineering
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Reverse Engineering
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Network Engineering
Q&A for network engineers
Photography
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English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Software Quality Assurance & Testing
Q&A for software quality control experts, automation engineers, and software testers