WooCommerce is an open source e-commerce plugin for WordPress. It is designed for small to large-sized online merchants using WordPress. This Plugin quickly became famous for its simplicity to install and customisation and being free in nature.
WooCommerce has been adopted by over 380,000 online retailers. It is used by a number of high-traffic websites, among them are Internet Systems Consortium and Small Press Expo. For the 3rd week of September 2015, Trends indicated that WooCommerce ran on 30% of e-commerce sites and millions of active installs.