Our product : XfilesPro " Salesforce file storage stored externally "
Community version : Salesforce AppExchange
AppExchange URL: https://appexchange.salesforce.com/listingDetail?listingId=a0N30000008YbzMEAS
Pricing : 4.99/user/month
Current state : 1 paid user
Business would be able to save a minimum of 50% monthly cost that they pay to salesforce for file storage. The recurring cost year on year, saving is 80-90%