Nodezilla is an experimental grid based p2p system available for Windows and Linux (on Intel platforms). Technically,
Nodezilla is a secured, distributed and fault tolerant routing system (aka Grid Network). Its main purpose is to serve as a link for distributed services built on top of it (like chat, efficient video multicasting streaming, File Sharing, secured file store ...).
Nodezilla ...Licence : GPL 
Take our 
