Worldbuilding
Q&A for writers/artists using science, geography and culture to construct imaginary worlds and settings
Physics
Q&A for active researchers, academics and students of physics
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
The Workplace
Q&A for members of the workforce navigating the professional setting
Photography
Q&A for professional, enthusiast and amateur photographers
Academia
Q&A for academics and those enrolled in higher education
Interpersonal Skills
Q&A for people looking to improve their interpersonal communication skills
Politics
Q&A for people interested in governments, policies, and political processes
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Super User
Q&A for computer enthusiasts and power users
Stack Overflow
Q&A for professional and enthusiast programmers
Chemistry
Q&A for scientists, academics, teachers, and students in the field of chemistry
Mathematics
Q&A for people studying math at any level and professionals in related fields
Personal Finance & Money
Q&A for people who want to be financially literate
Computer Science
Q&A for students, researchers and practitioners of computer science
Law
Q&A for legal professionals, students, and others with experience or interest in law
Travel
Q&A for road warriors and seasoned travelers
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
Psychology & Neuroscience
Q&A for practitioners, researchers, and students in cognitive science, psychology, neuroscience, and psychiatry
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Computational Science
Q&A for scientists using computers to solve scientific problems
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Code Review
Q&A for peer programmer code reviews
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
Earth Science
Q&A for those interested in the geology, meteorology, oceanography, and environmental sciences