Command Line
A bit of a "supercategory"
See also: CLI Programs
SUCH a good resource for command line stuff - https://onethingwell.org/
https://www.gridsagegames.com/rexpaint/ (hackernews)
https://www.datascienceatthecommandline.com/index.html
LISTS etc
https://www.wezm.net/technical/2019/10/useful-command-line-tools/
https://www.reddit.com/r/commandline/comments/gnvl4w/magical_oneliners_learn_grepsedawk_with_hundreds/
Backlinks: Bash Library