Comment by bachmeier

A few alternatives in this space:

org-roam https://www.orgroam.com/

tiddlyroam https://tiddlyroam.org/

Dendron https://dendron.so/

Foam https://foambubble.github.io/foam/

Remnote https://www.remnote.io/

Obsidian https://obsidian.md/

logseq https://logseq.com/

Not an expert with them at all. I've never had a desire to dig into all their complexity, but some are pretty passionate about it.