Stack Overflow
Q&A for professional and enthusiast programmers
Super User
Q&A for computer enthusiasts and power users
Code Review
Q&A for peer programmer code reviews
Mathematics
Q&A for people studying math at any level and professionals in related fields
WordPress Development
Q&A for WordPress developers and administrators
User Experience
Q&A for user experience researchers and experts
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Arduino
Q&A for developers of open-source hardware and software that is compatible with Arduino
Graphic Design
Q&A for Graphic Design professionals, students, and enthusiasts
Vi and Vim
Q&A for people using the vi and Vim families of text editors
Ask Ubuntu
Q&A for Ubuntu users and developers
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
Emacs
Q&A for those using, extending or developing Emacs
Stack Overflow em Português
Perguntas e respostas para programadores profissionais e entusiastas