1shoppingcart.com: Shopping Cart Software, Ecommerce Solutions, Internet Marketing Tools and Merchant Accounts. Used by many top name internet marketers. (Website Pros, Inc. Service)
Digital River: multi-channel e-commerce solution, which supports both direct and indirect sales. (Digital River, Inc. Service)
Plimus: hosted e-commerce system offering the advantage of a built in affiliate network. (Plimus Corporation. Service)
