If you like obsidian but like open source, Rust and TUIs too, look into https://www.ekphos.xyz/ it has been nice and fast for me.

Still got mine for my travel kit when working remote, going hard since 2006.

I’d love a Bluetooth conversion kit somehow… If anybody knows what I need please comment.

Read the book for fun before you do it for fun on a machine.

If they can cut you off or go down, then I’d argue it’s not self hosted.