Osirion System Technologies Reseller Hosting Calculator - Version 1 This is an application to make the life of hosting resellers out there a little easier. This reseller hosting calculator allows you to work out the expense of your reseller hosting packages as well as the profit generated for your hosting package.You enter the cost of your reseller package and then enter the details of the hosting package you plan on reselling. The program then works out the expense and the profit of the web hosting package.