WordPress has evolved so much through out the years beginning as a blog platform, it has moved towards becoming one of the best CMS outside. Today you could use WordPress with much greater use and most of the people using it is because of the plugins that is widely available, ease of use and also SEO friendly. 1. WordPress as Shopping Cart We have some free WordPress Shopping Cart or we could opt for the commercial theme Shopperpress. Depending on functionality and the complexity of the cart you are looking for.