Academia
Q&A for academics and those enrolled in higher education
Mathematics
Q&A for people studying math at any level and professionals in related fields
Computer Science
Q&A for students, researchers and practitioners of computer science
Worldbuilding
Q&A for writers/artists using science, geography and culture to construct imaginary worlds and settings
Mi Yodeya
Q&A for those who base their lives on Jewish law and tradition and anyone interested in learning more
Travel
Q&A for road warriors and seasoned travelers
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Artificial Intelligence
Q&A for people interested in conceptual questions about life and challenges in a world where "cognitive" functions can be mimicked in purely digital environment
Puzzling
Q&A for those who create, solve, and study puzzles
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Economics
Q&A for those who study, teach, research and apply economics and econometrics
Quantum Computing
Q&A for engineers, scientists, programmers, and computing professionals interested in quantum computing
Cryptography
Q&A for software developers, mathematicians and others interested in cryptography
Engineering
Q&A for professionals and students of engineering
The Workplace
Q&A for members of the workforce navigating the professional setting
Astronomy
Q&A for astronomers and astrophysicists
Bricks
Q&A for LEGO® and building block enthusiasts
Mathematica
Q&A for users of Wolfram Mathematica
Chemistry
Q&A for scientists, academics, teachers, and students in the field of chemistry
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Law
Q&A for legal professionals, students, and others with experience or interest in law
Parenting
Q&A for parents, grandparents, nannies and others with a parenting role
Information Security
Q&A for information security professionals
Literature
Q&A for scholars and enthusiasts of literature
Code Golf
Q&A for programming puzzle enthusiasts and code golfers
Space Exploration
Q&A for spacecraft operators, scientists, engineers, and enthusiasts
Writing
Q&A for the craft of professional writing, including fiction, non-fiction, technical, scholarly, and commercial writing
History of Science and Mathematics
Q&A for people interested in the history and origins of science and mathematics
Philosophy
Q&A for those interested in the study of the fundamental nature of knowledge, reality, and existence
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Theoretical Computer Science
Q&A for theoretical computer scientists and researchers in related fields
Chess
Q&A for serious players and enthusiasts of chess
Physics
Q&A for active researchers, academics and students of physics
Role-playing Games
Q&A for gamemasters and players of tabletop, paper-and-pencil role-playing games
Linguistics
Q&A for professional linguists and others with an interest in linguistic research and theory
Politics
Q&A for people interested in governments, policies, and political processes
Retrocomputing
Q&A for vintage-computer hobbyists interested in restoring, preserving, and using the classic computer and gaming systems of yesteryear
Aviation
Q&A for aircraft pilots, mechanics, and enthusiasts
Board & Card Games
Q&A for people who like playing board games, designing board games or modifying the rules of existing board games
Mathematics Educators
Q&A for those involved in the field of teaching mathematics
Biology
Q&A for biology researchers, academics, and students
Proof Assistants
Q&A for mathematicians and computer scientists who develop and use proof assistants