I'm a Python/Django developer, also I teach Operative Systems and Artificial Intelligence at the University of Information Sciences.
Q&A for professional and enthusiast programmers
Q&A for academics and those enrolled in higher education
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Q&A for Ubuntu users and developers
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Spanish language
Stack Exchange Network staging zone, where users come together to build new Q&A sites