iScripts eSwap lets you charge your users listing fee, featured listing fee, optional escrow fee or mothly subscription. It gives you the flexibility to charge any or none these fees from your users. Software supports most common payment gateways. Also offline payment methods are supported. The powerful admin section allows you to have multiple categories, sub categories and control every aspects of the business. iScripts eSwap supports features like unlimited number of users/categories/products ,one click featured products, Free/paid registration, themes, content management etc..