Travel
Q&A for road warriors and seasoned travelers
The Great Outdoors
Q&A for people who love being outdoors enjoying nature and wilderness, and learning about the required skills and equipment
Area 51
Q&A for proposing new sites in the Stack Exchange network
Politics
Q&A for people interested in governments, policies, and political processes
Sports
Q&A for participants in team and individual sport activities
Geographic Information Systems
Q&A for cartographers, geographers and GIS professionals
Stack Overflow
Q&A for professional and enthusiast programmers
Open Source
Q&A for people organizing, marketing or licensing open source development projects
French Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the French language
Cross Validated
Q&A for people interested in statistics, machine learning, data analysis, data mining, and data visualization
User Experience
Q&A for user experience researchers and experts
The Workplace
Q&A for members of the workforce navigating the professional setting
Mathematics
Q&A for people studying math at any level and professionals in related fields