For a client side only approach, train your own algo against the nostr global feed here:

daily news

Today I'm setting up encrypted algo synchronization between devices over nostr using y-ndk. y-ndk needs stars:

GitHub

GitHub - colealbon/y-ndk: yjs provider with ndk (nostr dev kit)

yjs provider with ndk (nostr dev kit). Contribute to colealbon/y-ndk development by creating an account on GitHub.