Hi,

ShopFactory V8 allows you to set up an online shop to sell e-books and other electronic goods with an automatic ESD ( Electronic Softgoods Delivery) system and furthermore has a Reseller System and Network marketing system and Affiliated reseller program allowing you to sell your Softgoods via resellers and affiliated resellers.
You can download a free Demo from the ShopFactory site at www.shopfactory.com and check out the features and functionalities to see if they are suitable for you.

Best Regards,
Michael