WooCommerce is a free plugin for WordPress based web site. It has simple core with the option of adding more than 350 additional eCommerce extensions: different payment ways, invoicing and stock management, product slide shows and product zoom view option, shipment automation etc. WooCommerce has its own built-in user friendly analytics that is displayed directly in WordPress dashboard. With close to 50 millions of downloads, WooCommerce is a choice for over 28% of all online stores. It is free, easy to install, WooComerce gets regular updates to ensure security and full compability with new WordPress versions.