osCommerce is an open source, eCommerce and online store management software program. It can run on any web server that has PHP and MySQL installed. It is available under the GNU General Public License and comes free of cost. This application offers an ideal online shop e-commerce solution and features a rich set of out-of-the-box online shopping cart functionality that allows store owners to setup, run, and maintain their online stores with minimum effort and with no costs, fees, or limitations involved.