Nerdy hacker and open source enthusiast. Git evangelist. Developing web applications for a living, anything else for fun.
Stack Overflow
Q&A for professional and enthusiast programmers
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
Super User
Q&A for computer enthusiasts and power users
Server Fault
Q&A for system and network administrators
Vi and Vim
Q&A for people using the vi and Vim families of text editors
English Language Learners
Q&A for speakers of other languages learning English
Arqade
Q&A for passionate videogamers on all platforms
Ask Different
Q&A for power users of Apple hardware and software
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
Software Engineering
Q&A for professionals, academics, and students working within the systems development life cycle
Ask Ubuntu
Q&A for Ubuntu users and developers
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Physics
Q&A for active researchers, academics and students of physics