URL = http://www.tonido.com/
"Tonido is a peer-to-peer personal web platform that helps users to access, share, sync important files, favorite photos, music and media with friends and family without relying on third party public online services.
As FreedomBox, TonidoPlug is based on debian derivative Ubuntu OS and powered by Tonido platform. It can do all the things that are promised by FreedomBox already - P2P Backup, P2P messaging, P2P Collaboration, File & Music sharing and much more." (http://www.wired.com/beyond_the_beyond/2011/02/everybodys-got-a-freedom-platform-these-days/)