Rodi

Rodi: "Rodi or Rodia (Ρόδι or Ροδιά) means pomegranate in Greek. The Rodi program is a tiny P2P client/host (under 300K of binary code) implemented in pure Java. It's network use is similar to the bitTorrent concept. The program will serve the filesharing community with fast data delivery and serve the Open Source community by facilitating faster software deployment."