The Phoenix Edition of osCommerce is a Commercial Open Source online shop e-commerce solution that is available for a fee under an extended GNU license. It features a rich set of out-of-the-box online shopping cart functionality that allows store owners to setup, run, and maintain online stores with minimum effort and without limitations involved with a closed application. It features many enhancements made to the osCommerce code that truly make this application a must have for any serious ecommerce store owner.