Reference: http://www.phpb2b.com/2010/05/25/633
OsCommerce
OsCommerce is a set of open source online shopping ecommerce solutions based on the GNU GPL. The system has an easy-to-operate visual installation interface, a complete front-end merchandising and online shopping cart functionality, a powerful back-office management and maintenance module, easy-to-use, 70,000-person official community users and active forums, and 121,300 registered online store Solutions 3, 000 Mature plugins for you to choose from.
Oxid Esales
Oxid Esales is an open-source E-commerce system that uses PHP to store data using MySQL. OXID Esales has a modular and standards-based architecture that makes it easier to customize. The system has all the functions of e-commerce system including: business-to-business and business-to-business. Powerful and integrated marketing. Integrated Content Management System (CMS). Friendly web site for search engine optimization.
Magento
Magento is a new professional open source e-business solution that offers unprecedented flexibility and control.
PrestaShop
Prestashop is a feature-rich, Web2.0 online shopping system based on PHP5 development. Prestashop has the characteristics of customizable, stable and so on. The entire system is only 5.8MB and easy to install quickly.
Shopnc
Based on the MVC Maturity specification, the high-end Web application service development platform for Enterprise SOA, complete technical documentation support for the developer, covering application server, modeling, business process, interface, integration and so on. Provide independent research and development framework, modular program code design and enterprise-class high-complexity, high-availability system development consulting and personnel training.
OpenCart
OpenCart is a new generation of open source online shopping cart system based on PHP development. OpenCart features easy-to-use, feature-rich, search-friendly and beautiful, simple interface.
ECSHOP
Ecshop is an open source free online Independent shop system, by the Professional development team upgrade maintenance, and to provide you with timely and efficient technical support, you can also according to their business characteristics of ecshop to customize, to increase their own shopping mall features.
Zen Cart
Zen cart is a user-friendly, open-source shopping cart system. It has: Easy to install, a variety of consumer models, unlimited directory depth, a variety of sales and discount models, a variety of display methods, XHTML template system, multi-Banner advertising controller, newsletter Manager and other characteristics.
Phpshop
Phpshop is a PHP-based online store system. Phpshop is simpler and less functional than other online shopping systems. But it's very flexible and allows you to customize it to your individual requirements.
Php-multishop
Php-multishop is a virtual shopping mall based on Phpnuke and OsCommerce. It can be used as a portal for any type of content (such as news, forums, events, etc.) and one or more independent web stores. Each store will have their own domain name and have all the features and personalities that a typical e-commerce should have. Each store is fully self-managing as if it were independent of the electronics store.
PHP_ Online Open Source Marketplace system