Physical Fitness
Q&A for physical fitness professionals, athletes, trainers, and those providing health-related needs
Cross Validated
Q&A for statisticians, data analysts, data miners and data visualization experts
Quantitative Finance
Q&A for finance professionals and academics
Personal Finance & Money
Q&A for people who want to be financially literate
Chinese Language & Usage
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Chinese language
Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
Answers OnStartups
Q&A for entrepreneurs looking to start or run a new business
Stack Overflow
Q&A for professional and enthusiast programmers
Database Administrators
Q&A for database professionals who wish to improve their database skills and learn from others in the community
Meta Stack Overflow
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Programmers
Q&A for professional programmers interested in conceptual questions about software development
Server Fault
Q&A for professional system and network administrators
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
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
Computational Science
Q&A for scientists using computers to solve scientific problems
Programming Puzzles & Code Golf
Q&A for programming puzzle enthusiasts and code golfers
Linguistics
Q&A for professional linguists and others with an interest in linguistic research and theory
Software Quality Assurance & Testing
Q&A for software quality control experts, automation engineers, and software testers
