Stack Overflow
Q&A for professional and enthusiast programmers
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
Ask Different
Q&A for power users of Apple hardware and software
Physics
Q&A for active researchers, academics and students of physics
Photography
Q&A for professional, enthusiast and amateur photographers
Role-playing Games
Q&A for gamemasters and players of tabletop, paper-and-pencil role-playing games
Programmers
Q&A for professional programmers interested in conceptual questions about software development
French Language & Usage
Q&A for students, teachers, and linguists wanting to discuss the finer points of the French language
Graphic Design
Q&A for professional graphic designers and non-designers trying to do their own graphic design
The Great Outdoors
Q&A for people who love outdoor activities, excursions, and outdoorsmanship
Physical Fitness
Q&A for physical fitness professionals, athletes, trainers, and those providing health-related needs
Sports
Q&A for participants in team and individual sport activities
Gardening & Landscaping
Q&A for gardeners and landscapers
Cryptography
Q&A for software developers, mathematicians and others interested in cryptography
Biology
Q&A for biology researchers, academics, and students
Philosophy
Q&A for those interested in logical reasoning
Spanish Language & Usage
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Spanish language
Linguistics
Q&A for professional linguists and others with an interest in linguistic research and theory
Writers
Q&A for authors, editors, reviewers, professional writers, and aspiring writers
Martial Arts
Q&A for students and teachers of all martial arts
Chemistry
Q&A for scientists, academics, teachers and students
Cognitive Sciences
Q&A for practitioners, researchers, and students in cognitive science, psychology, neuroscience, and psychiatry
