Role-playing Games
Q&A for gamemasters and players of tabletop, paper-and-pencil role-playing games
Board & Card Games
Q&A for people who like playing board games, designing board games or modifying the rules of existing board games
Vi and Vim
Q&A for people using the vi and Vim families of text editors
Stack Overflow
Q&A for professional and enthusiast programmers
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
3D Printing
Q&A for 3D printing enthusiasts
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
WordPress Development
Q&A for WordPress developers and administrators
Chess
Q&A for serious players and enthusiasts of chess
Writing
Q&A for the craft of professional writing, including fiction, non-fiction, technical, scholarly, and commercial writing
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts