Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
Programmers
Q&A for professional programmers interested in conceptual questions about software development
Musical Practice & Performance
Q&A for musicians, students, and enthusiasts
Linguistics
Q&A for professional linguists and others with an interest in linguistic research and theory
Mathematics
Q&A for people studying math at any level and professionals in related fields
Meta Stack Overflow
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Physics
Q&A for active researchers, academics and students of physics
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Theoretical Computer Science
Q&A for theoretical computer scientists and researchers in related fields
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Russian Language & Usage
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Russian language
Biology
Q&A for biology researchers, academics, and students
Parenting
Q&A for parents, grandparents, nannies and others with a parenting role
Computer Science
Q&A for students, researchers and practitioners of computer science
