Be aware, its not completely FOSS: https://github.com/toeverything/AFFiNE/blob/canary/packages/backend/server/LICENSE

From a very quick glanceit looks similar to https://logseq.com/, which I've been using for some time now and absolutely enjoy.

The querying stuf and "referenced by" box on pages is awesome, and I like the journalling format.

Once I solved sync troubles (with a git repo), it was great.

Call me old school, but I prefer my foss to be linear.

I guess this is popular? That's a pretty significant number of stars.

Anyway, don't really like the big AI focus they seem to have. It also wasn't immediately obvious to me if the AI even works properly when self-hosted. It sounds like you still need to login for the AI to function.

The DB is apparently written in Rust, so that's neat at least.