I am a student of Open Informatics at CTU. Although I don't post a lot I read Stack Overflow on a daily basis.
Computational Science
Q&A for scientists using computers to solve scientific problems
Programmers
Q&A for professional programmers interested in conceptual questions about software development
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Computer Science
Q&A for students, researchers and practitioners of computer science
Mathematics
Q&A for people studying math at any level and professionals in related fields
Physics
Q&A for active researchers, academics and students of physics
Database Administrators
Q&A for database professionals who wish to improve their database skills and learn from others in the community
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
User Experience
Q&A for user experience researchers and experts
Game Development
Q&A for professional and independent game developers
Cross Validated
Q&A for statisticians, data analysts, data miners and data visualization experts
Personal Productivity
Q&A for people wanting to improve their personal productivity
The Workplace
Q&A for members of the workforce navigating the professional setting
Academia
Q&A for academics and those enrolled in higher education
