Blender
Q&A for people who use Blender to create 3D graphics, animations, or games
Stack Overflow
Q&A for professional and enthusiast programmers
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Super User
Q&A for computer enthusiasts and power users
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
Ask Different
Q&A for power users of Apple hardware and software
Travel
Q&A for road warriors and seasoned travelers
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Database Administrators
Q&A for database professionals who wish to improve their database skills and learn from others in the community
Game Development
Q&A for professional and independent game developers
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Cross Validated
Q&A for people interested in statistics, machine learning, data analysis, data mining, and data visualization
Server Fault
Q&A for system and network administrators
Code Review
Q&A for peer programmer code reviews
Academia
Q&A for academics and those enrolled in higher education
Signal Processing
Q&A for practitioners of the art and science of signal, image and video processing
Software Recommendations
Q&A for people seeking specific software recommendations
Robotics
Q&A for professional robotic engineers, hobbyists, researchers and students
Photography
Q&A for professional, enthusiast and amateur photographers
WordPress Development
Q&A for WordPress developers and administrators