Programmers
Q&A for professional programmers interested in conceptual questions about software development
Signal Processing
Q&A for practitioners of the art and science of signal, image and video processing
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
The Workplace
Q&A for members of the workforce navigating the professional setting
Physics
Q&A for active researchers, academics and students of physics
Meta Stack Overflow
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Geographic Information Systems
Q&A for cartographers, geographers and GIS professionals
Cross Validated
Q&A for statisticians, data analysts, data miners and data visualization experts
Theoretical Computer Science
Q&A for theoretical computer scientists and researchers in related fields
Arqade
Q&A for passionate videogamers on all platforms
Photography
Q&A for professional, enthusiast and amateur photographers
User Experience
Q&A for user experience researchers and experts
Mathematics
Q&A for people studying math at any level and professionals in related fields
Ask Patents
Q&A for people interested in improving and participating in the patent system
Software Quality Assurance & Testing
Q&A for software quality control experts, automation engineers, and software testers
Robotics
Q&A for professional robotic engineers, hobbyists, researchers and students
Personal Productivity
Q&A for people wanting to improve their personal productivity
Server Fault
Q&A for professional system and network administrators
