Stack Overflow
Q&A for professional and enthusiast programmers
German Language
Q&A for speakers of German wanting to discuss the finer points of the language and translation
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
Area 51
Q&A for proposing new sites in the Stack Exchange network
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
Artificial Intelligence
Q&A for people interested in conceptual questions about life and challenges in a world where "cognitive" functions can be mimicked in purely digital environment
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Software Engineering
Q&A for professionals, academics, and students working within the systems development life cycle
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
Arduino
Q&A for developers of open-source hardware and software that is compatible with Arduino
Raspberry Pi
Q&A for users and developers of hardware and software for Raspberry Pi
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
Server Fault
Q&A for system and network administrators
WordPress Development
Q&A for WordPress developers and administrators
Joomla
Q&A for Joomla! administrators, users, developers and designers
Arqade
Q&A for passionate videogamers on all platforms
Code Review
Q&A for peer programmer code reviews
Game Development
Q&A for professional and independent game developers
Graphic Design
Q&A for Graphic Design professionals, students, and enthusiasts
Magento
Q&A for users of the Magento e-Commerce platform