English Language Learners
Q&A for speakers of other languages learning English
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
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Linguistics
Q&A for professional linguists and others with an interest in linguistic research and theory
Super User
Q&A for computer enthusiasts and power users
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Law
Q&A for legal professionals, students, and others with experience or interest in law
Psychology & Neuroscience
Q&A for practitioners, researchers, and students in cognitive science, psychology, neuroscience, and psychiatry
Retrocomputing
Q&A for vintage-computer hobbyists interested in restoring, preserving, and using the classic computer and gaming systems of yesteryear
Christianity
Q&A for committed Christians, experts in Christianity and those interested in learning more
Graphic Design
Q&A for Graphic Design professionals, students, and enthusiasts
Software Recommendations
Q&A for people seeking specific software recommendations
Philosophy
Q&A for those interested in the study of the fundamental nature of knowledge, reality, and existence
Music: Practice & Theory
Q&A for musicians, students, and enthusiasts
Ebooks
Q&A for ebook publishers and readers
Mathematics
Q&A for people studying math at any level and professionals in related fields
Economics
Q&A for those who study, teach, research and apply economics and econometrics
Server Fault
Q&A for system and network administrators
Spanish Language
Q&A for linguists, teachers, students and Spanish language enthusiasts in general wanting to discuss the finer points of the language
Writing
Q&A for the craft of professional writing, including fiction, non-fiction, technical, scholarly, and commercial writing
Biology
Q&A for biology researchers, academics, and students
Software Engineering
Q&A for professionals, academics, and students working within the systems development life cycle
elementary OS
Q&A for developers and users of elementary OS and applications