I'm Just a Curious man,who likes stack-exchange sites,because they really responds.
Stack Overflow
Q&A for professional and enthusiast programmers
Programmers
Q&A for professional programmers interested in conceptual questions about software development
Database Administrators
Q&A for database professionals who wish to improve their database skills and learn from others in the community
Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
Answers OnStartups
Q&A for entrepreneurs looking to start or run a new business
User Experience
Q&A for user experience researchers and experts
Geographic Information Systems
Q&A for cartographers, geographers and GIS professionals
Server Fault
Q&A for professional system and network administrators
WordPress Answers
Q&A for WordPress developers and administrators
Meta Stack Overflow
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
Cognitive Sciences
Q&A for practitioners, researchers, and students in cognitive science, psychology, neuroscience, and psychiatry
Personal Finance & Money
Q&A for people who want to be financially literate
