https://github.com/mmalmi/hashtree-ts - it's basically blossom with directories and file chunking.

* Merkle tree roots published on nostr, so you can have npub/path addressed directories whose content you can update.
* Chunks are encrypted by default (Freenet style CHK content hash key encryption).
* Peers request chunks over WebRTC with Freenet style privacy preserving HTL hops-to-live algorihtm.
* HTTP blossom servers used as fallback.

I also have github replacement on hashtree in the works: https://files.iris.to/#/npub1g53mukxnjkcmr94fhryzkqutdz2ukq4ks0gvy5af25rgmwsl4ngq43drvk/repos/hashtree-ts