CloudBerry Drive is a tool to map your cloud storage as a local drive to access and edit files in the cloud directly from the Windows Explorer interface. Supports Amazon S3, Amazon Glacier, Rackspace cloud files, Windows Azure, OpenStack Swift, Goolge Cloud Storage

Pricing and licensing:
For desktop version of Windows such as Windows XP/Vista/7/8 you need to purchase the desktop license $29.99
For server version of Windows such as Windows 2003/2008/2012 you need to purchase server license $59,99
You have to buy a license for every computer where you want to use the software.
Benefits:
An ability to map a local disk makes the product user friendly
Strong data encryption protects your data from unauthorized access
Data compression reduces the size of your backups
Data available for recovery 24/7
Intuitive interface provides easy file and folder selection capabilities
No proprietary storage format. You can access your files using other Amazon S3 tools.