Ubuntu-one, provide 5GB free storage and syncing to cross platform devices such as Ubuntu OS,android smartphones ,apple iOS devices and now its available for windows also
It’s easy to start using Ubuntu One. Just download and install Ubuntu One for Windows. Next, set up an Ubuntu One Free account and you’ll get 5 GB of free storage so you can store and sync your files, photos, videos and music. Once you’re done, you can access your files on your desktop, on the web or on your mobile, wherever you are!
Your personal cloud
Ubuntu One makes it easy to back up, sync and access your files, folders, photos and music from anywhere.
Simply select which folders you want to sync to your personal cloud by adding them to the sync list. Ubuntu One will take care of the rest.