Role-playing Games
Q&A for gamemasters and players of tabletop, paper-and-pencil role-playing games
English Language Learners
Q&A for speakers of other languages learning English
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
Super User
Q&A for computer enthusiasts and power users
Stack Overflow
Q&A for professional and enthusiast programmers
Ask Different
Q&A for power users of Apple hardware and software
Server Fault
Q&A for system and network administrators
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Russian Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Russian language
Latin Language
Q&A for linguists, teachers, and students wanting to discuss the finer points of the Latin language
Internet of Things
Q&A for builders and users of networked sensors and control devices in the contexts of smart homes, industry automation, or environmental sensors
Geographic Information Systems
Q&A for cartographers, geographers and GIS professionals
Earth Science
Q&A for those interested in the geology, meteorology, oceanography, and environmental sciences
Constructed Languages
Q&A for designers and users of artificial or invented languages, consciously developed instead of having developed naturally