Dropbox is a simple-to-use file synchronization utility that uses ?cloud? storage to sync files across multiple computers, whether they are Mac, Linux or Windows based. In fact, not only can you access your private or shared files from any computer where you?ve installed the Dropbox utility, you can also access them via a browser from any computer at all.

Uploading It offers four plans for online storage of your files, the free plan offer 10GB of storage. You can upload multiple files at once to your Uploading It account. Files in your Uploading It account can be quickly sorted using a drag and drop interface. 

SimplyBox empowers the user to communicate impulsively, anywhere. Allowing them to collaborate from within the multiple systems they interact with daily. Putting communication in context.  TRY FOR 30 DAYS.

Box.net is a competitor to Dropbox and recently they have announced an opportunity for users and new users to get 50 Gigabytes of FREE cloud storage in an effort to combat the recent release of iCloud from Apple.  Box.net offers an App for both iPhone and iPod and other wireless devices which can come in handy as the move towards tablets grows.  If you are using cloud storage with your students, this would be a valuable option for storing student work and provide you with plenty of storage room for your classes throughout the years.  For all the schools out there that use Google Docs, Box.net can be integrated into web based program.