Currently working on Note Cargo, basically self-hosted Markdown note-taking app, but I tried to not using database. So similar to Obsidian/Logseq but its web-based.
And currently working to make things shareable, also don't want to use database.
From floppy disks to thumb drives, every method of storing data eventually becomes obsolete. What if we could find a way to store all the world's data forever? Bioinformatician Dina Zielinski shares the science behind a solution that's been around for a few billion years: DNA.
the problem with RSS is only one directional protocol also with no auth system. there's something like BlueSky's new ATP protocol that I think better to your case.