[ejddhbrbrrnrn]

Markdown files can be a magic low effort way to get this. Even less fancy. Just stick an md file and it is easy to link to stuff. Open it in VS Code. You can go full zettlekasten but you can also just drop some notes around.

[chrisweekly]

that's one of the things I love about Obsidian -- at the end of the day, it's "just" an extraordinarily powerful interface to Markdown files.