Islam
Q&A for Muslims, experts in Islam, and those interested in learning more about Islam
Politics
Q&A for people interested in governments, policies, and political processes
English Language Learners
Q&A for speakers of other languages learning English
Stack Overflow
Q&A for professional and enthusiast programmers
Law
Q&A for legal professionals, students, and others with experience or interest in law
Hinduism
Q&A for followers of the Hindu religion and those interested in learning more about Hinduism
Software Recommendations
Q&A for people seeking specific software recommendations
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Mathematics
Q&A for people studying math at any level and professionals in related fields
Web Applications
Q&A for power users of web applications
Information Security
Q&A for information security professionals
CS50
Q&A for students of Harvard University's CS50
Psychology & Neuroscience
Q&A for practitioners, researchers, and students in cognitive science, psychology, neuroscience, and psychiatry
Freelancing
Q&A for self-employed and freelance workers
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Physics
Q&A for active researchers, academics and students of physics
Ask Ubuntu
Q&A for Ubuntu users and developers
Academia
Q&A for academics and those enrolled in higher education
Ethereum
Q&A for users of Ethereum, the decentralized application platform and smart contract enabled blockchain
Area 51
Q&A for proposing new sites in the Stack Exchange network