As limited as OneNote is, I find it the place I keep returning to. Obsidian was extremely off-putting to me when I last tried it out, as the node parents themselves could not be documents. Or I couldn't figure out how to use them that way! Maybe it's just me! Beyond that, I have a fondness for wikis that permit breadcrumbs from excerpts back to a main documents. Giving the right information in the right place, with a…
I think both [^1] are opinionated on which layers of organization maps to where.
- OneNote: FS dir -> FS file (database) = OneNote Section (manual ordering) -> OneNote (sub-)Page (manual ordering + level) -> OneNote "note containers" (textboxes; [^2])
- Obsidian: FS dir -> FS file (plain text) = Obsidian Page (automatic ordering) -> headers in the page (manual ordering + level)
While I agree in principle that some non-leaf node should be allowed to have content, really you can see that headers/sections in Obsidian map well to the OneNote page-level organization. I wish I got a choice though...
[^1]: Out of the box. OneNote also has a major plugin bundle known as OneTastic.
[^2]: OneNote has _cosmetic_ headers in textboxes which isn't very useful.