The Stack Exchange User Guide/The Stack Exchange Sites

Stack Exchange is organized into a number of smaller subsites, each focusing on a specific topic or field. The programming focused Stack Overflow is perhaps the best known of these sites, however there are a number of other Q&A sites on the platform including topics from sciences and the humanities.

Notable Stack Exchange sites

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Logo URL Name Topic
  https://stackexchange.com/ Stack Exchange Overall site
  https://stackoverflow.com/ Stack Overflow Programming
 
https://superuser.com/ - Super User Power users
  https://askubuntu.com/ Ask Ubuntu Ubuntu Linux
 
Physics Stack Exchange logo
https://physics.stackexchange.com/ Physics Study of physics
https://serverfault.com/ Server Fault Sysadmin
https://math.stackexchange.com/ Mathematics Math
https://gaming.stackexchange.com/ Arqade Gaming
https://english.stackexchange.com/ English English language
https://worldbuilding.stackexchange.com/ World Building Fictional world development
https://webapps.stackexchange.com/ Web Applications Software for the world wide web
https://diy.stackexchange.com/ Home Improvement Do it yourself upgrades for living quarters
https://gamedev.stackexchange.com/ Game Development For creation of video games
https://tex.stackexchange.com/ TeX For the typesetting software TeX and LaTeX
https://movies.stackexchange.com/ Movies & TV For discussion of broadcast and film media
https://ai.stackexchange.com/ Artificial Intelligence Study of AI
https://emacs.stackexchange.com/ Emacs Discussion of the Emacs text editor
https://puzzling.stackexchange.com/ Puzzling Discussion of puzzles
https://arduino.stackexchange.com/ Arduino Discussion of the Arduino physical computing platform