osCommerce

Thousands of online stores currently power their commerce with osCommerce, all over the world. As an extremely powerful e-commerce framework osCommerce provides simple setup, configuration, and maintenance. And, osCommerce also makes it easy for store administrators to design and develop customized stores to suit the requirements of their market. A large  community of osCommerce users is always available to help, and actively drives the direction of the product.

• Support for localization
• Simple, browser-based install and upgrade
• Unlimited products and categories
• Supports physical and electronic products
• Easy backup, restore, invoicing, and pick list
• Product and customer statistics
• Secure transactions
• Online payment processing (PayPal, 2CheckOut, and others)
• Real-time shipping quotes
• Flexible tax calculations