www.backup.com Backup

www.dropbox.com   Dropbox   Easily store, share, and access any kind of data from anywhere with the easy-to-use and free Dropbox service.

www.all-the-free-space.com All the Free Space.

www.livebinders.com LiveBinders  Like a real-life three ring binder, this tech tool allows you to collect and organize resources. Much better than a binder, however, the site also comes with tools to connect and collaborate and a virtual whiteboard.

http://explore.live.com/windows-live-skydrive Live Sky drive\\

http://briefcase.yahoo.com  Yahoo! Briefcase Provides 25 MB of free space to registered Yahoo users. Lets you share files with other Yahoo users.

https://www.sugarsync.com  SugarSync - Backup, Access and Share Your Files