What note taking apps/services do you use?

Wekan https://wekan.github.io

Disclaimer: I'm maintainer of Wekan.

Obsidian and Standard Notes

Simple text files at work (typically one file per project + a general misc one)

Apple notes for personal stuff

Everything longterm I put in notion.

Daily notes on paper

Google Keep + Evernote + Notion

Sublime text.

Emacs+org-mode