Philosophy
Q&A for those interested in the study of the fundamental nature of knowledge, reality, and existence
Academia
Q&A for academics and those enrolled in higher education
Mythology & Folklore
Q&A for enthusiasts and scholars of mythology and folklore
Medical Sciences
Q&A for professionals in medical and allied health fields, students of those professions, related academics, and others with a sound understanding of medicine and healthcare-related sciences
English Language Learners
Q&A for speakers of other languages learning English
Physics
Q&A for active researchers, academics and students of physics
Server Fault
Q&A for system and network administrators
Super User
Q&A for computer enthusiasts and power users
Parenting
Q&A for parents, grandparents, nannies and others with a parenting role
Cross Validated
Q&A for people interested in statistics, machine learning, data analysis, data mining, and data visualization
Economics
Q&A for those who study, teach, research and apply economics and econometrics
Politics
Q&A for people interested in governments, policies, and political processes
History
Q&A for historians and history buffs
Puzzling
Q&A for those who create, solve, and study puzzles
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Mathematics Educators
Q&A for those involved in the field of teaching mathematics
Earth Science
Q&A for those interested in the geology, meteorology, oceanography, and environmental sciences
Psychology & Neuroscience
Q&A for practitioners, researchers, and students in cognitive science, psychology, neuroscience, and psychiatry
Information Security
Q&A for information security professionals
Arqade
Q&A for passionate videogamers on all platforms
The Workplace
Q&A for members of the workforce navigating the professional setting
MathOverflow
Q&A for professional mathematicians
Worldbuilding
Q&A for writers/artists using science, geography and culture to construct imaginary worlds and settings
Mathematics
Q&A for people studying math at any level and professionals in related fields
Ethereum
Q&A for users of Ethereum, the decentralized application platform and smart contract enabled blockchain
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Cryptography
Q&A for software developers, mathematicians and others interested in cryptography
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Data Science
Q&A for Data science professionals, Machine Learning specialists, and those interested in learning more about the field
Role-playing Games
Q&A for gamemasters and players of tabletop, paper-and-pencil role-playing games
Biblical Hermeneutics
Q&A for professors, theologians, and those interested in exegetical analysis of biblical texts
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
Law
Q&A for legal professionals, students, and others with experience or interest in law
Seasoned Advice
Q&A for professional and amateur chefs
Code Review
Q&A for peer programmer code reviews
Personal Finance & Money
Q&A for people who want to be financially literate
Ask Ubuntu
Q&A for Ubuntu users and developers
Japanese Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Japanese language
Open Data
Q&A for developers and researchers interested in open data