Urbit is the platform featuring a network of personal cloud P2P servers. A personal server holds user’s data; runs her apps; wrangles connected devices; and defines secure identity. It can also drive other services with APis. Urbit is open source and petnet-free, thus, the team promises that it will never show ads or lose data , or update without the user’s consent. Technically, Urbit is a new kind of portable OS.