https://obsidian.md/ https://obsidian.md/ is close to this, although a different editor with much better linking. The notes are just markdown files in a folder

https://obsidian.md/ https://obsidian.md/ is close to this, although a different editor with much better linking. The notes are just markdown files in a folder so you can also save it as a git repo and edit through Codespaces or VSC's remote editing extensions.