A personal cloud storage service from Canonical, the commercial team responsible for the Ubuntu Linux-based operating system. Ubuntu One isn't limited to use on just the Ubuntu OS; rather, it's a free suite of cloud services that provides users with online cloud storage, syncing, sharing and streaming capabilities for managing personal data across numerous devices operating on a variety of operating systems.
In addition to supporting Ubuntu, Ubuntu One is accessible from Windows and Mac OS X computers, and mobile apps are currently available for using Ubuntu One on Android devices and Apple iOS-powered devices like the iPad and iPhone. Ubuntu One offers syncing and up to 5 GB of storage in the cloud for free, with paid plans available for additional storage as well as music streaming. Ubuntu One paid plans are available for $2.99 per month per 20 GB of online storage.