This HN post is linking to the protocol docs. Scuttlebutt.nz is about the social network built on top of them. More importantly it's the most significant thing

This HN post is linking to the protocol docs. Scuttlebutt.nz is about the social network built on top of them. More importantly it's the most significant thing that uses the protocol. The "apps" that use the protocol are, in practice, just plugins that work in one particular app (somewhat geeky app) and that particular app is primarily a client for the social network.