Academia
Q&A for academics and those enrolled in higher education
The Great Outdoors
Q&A for people who love outdoor activities, excursions, and outdoorsmanship
Parenting
Q&A for parents, grandparents, nannies and others with a parenting role
Physics
Q&A for active researchers, academics and students of physics
Board & Card Games
Q&A for people who like playing board games, designing board games or modifying the rules of existing board games
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
Gardening & Landscaping
Q&A for gardeners and landscapers
Cross Validated
Q&A for statisticians, data analysts, data miners and data visualization experts
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
Role-playing Games
Q&A for gamemasters and players of tabletop, paper-and-pencil role-playing games
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Signal Processing
Q&A for practitioners of the art and science of signal, image and video processing
