Prestashop is the most prominent ecommerce shopping cart solution in which open source general-purpose scripting language PHP is used. This open source shopping system is based on Smarty template engine. 160 countries are using this software to develop the ecommerce websites.

Another popular ecommerce management system is Magento which is an open source and free to use. Magento community has more than 200,000 customer sites.

Zen Cart is also the open source ecommerce solution which is also based on serve side scripting language PHP. It is available free under the GNU.

Drupal Commerce is an ecommerce shopping cart app.  It is the complete administration system which is comprised of multilingual & multicurrency and uses the full service of third party integrations for checkout forms and payment gateways, social networks and accounting apps and more other fulfillment services.