osCommerce Online Merchant is an Open Source online shop e-commerce solution that is available for free under the GNU General Public 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 with no costs, fees, or limitations involved.
Everything you need to get started in selling physical and digital goods over the internet, from the Catalog frontend that is presented to your customers, to the Administration Tool backend that completely handles your products, customers, orders, and online store data. This e-Shop can be easily installed and configured over a web-based installation procedure.
The services provided to and from the community have guaranteed the success of osCommerce, which include the community forums, bug reporter, knowledge base, and development workboard.
