Here are five I quite like:
- Bos is one of the nicer libraries I’ve used to abstract OS/file-system interactions.
- Notty is just great fun for playing with and prototyping terminal-foo.
- Js_of_ocaml because it’s pretty amazing to just write the same code for front-end and back-end and have (almost everything) just work.
- Containers has been my preferred stdlib overlay for some while. Just find the APIs and documentation very nice.
- Cmdliner makes really line cmd lines and is well documented.
I look forward to reading your article!