Look into org-roam, which embeds roam in emacs org mode, and evil, which uses vim keybindings and modal editing in Emacs.

Doom emacs has extremely easy ways of installing both of these packages in the setup.

I'm liking vimwiki, for what it's worth. It feels like a pretty small set of changes to vim that make the wiki stuff "just work", and otherwise it's my regular ass plaintext world that I love.

When Notion had a lot of outages in 2020, my entire 200-employee company stopped working hours at a time.

I didn't even notice, happily using my markdown notes.