Nota_bene
One of my most used applications is the ’nb’ (nota-bene) for note-taking.
It’s entirely written in Bash and maintained by William Melody.
It handles encryption, filtering, pinning, searching, tagging, markdown, inline images, todo, task, global and local notes, bookmarks, folders (groups and sub-groups), color-themes, plugins…
Current relase: 7.20.1 (two weeks ago (today is: 2025-07-01))
Find out more on github