EasyPastry is built on top of Pastry, a decentralized key-based routing (KBR) P2P overlay network. The main objective of EasyPastry is to provide a complete façade in order to simplify the P2P application development.
Damon is a Distributed AOP Middleware on top of a p2p Overlay Network. Its main aim is to offer the necessary abstractions and services to develop distributed aspects, and to provide scalability to existent or new applications transparently.