Nodezilla is a secured, distributed, and fault tolerant routing system (or grid network) that supports distributed services such as file sharing, chat, efficient video multicast streaming, and secured file storage.
MulticastCommunicator is a multicast-based peer-to-peer instant messenger, which allows rapid file distribution, text chat and data exchange within a multicast group, e.g. a LAN. It is written in Java and uses an easily-extensible message chain concept.
MOFT(Multicast Open File Transporter) aims to transport files from server to clients with lowest cost for server especially when files to be transfered are big and clients are crowded. The original intention is to avoid the network jam in LAN.