Not a “racing” game but you can race in BeamNG (and even do multi-player with a mod.) After trying it, other games feel underwhelming to me.

It’s so useful you see it mentioned on every other thread

Last I checked, Joplin does not use a folder structure that is easy to port over. Their files are all id’s instead of usable file names, so without Joplin, you won’t be finding anything.

They are still plaintext .MD files though.

If I had to guess, communities being deleted, instances going offline/being defederated etc