Let me just quote, because I can't pack the buzzwords that tightly: "The OpenPrivacy project would like the announce the creation and initial release (0.0.1) of Reptile
. Reptile is an Open Source/Free Software, Peer-to-Peer, content syndication engine (think RSS/OCS), which is driven by Java/XML and is privacy protection/Reputation enabled. Reptile nodes can publish to each other (everything is driven by XML based subscriptions) and provides a decentralized authentication model based on public/private key crypto (and Reputation)." Interesting stuff.