OpenCart is a feature rich, easy to use, search engine friendly shopping cart with a visually appealing interface. It is a fully open source solution with a variety of templates and support for multiple languages, currencies and features including product reviews and ratings.
For developers that choose to use OpenCart with Vantiv’s eCommerce platform, a freely downloadable integration is available. Details of Vantiv’s integration with OpenCart along with software download and setup instructions are provided at http://www.opencart.com/index.php?route=extension/extension/info&extension_id=5816