Magento and Opencart are 2 popular ecommerce platforms

Both Magento and Opencart are preferred, free to make use of platforms. They allow you ti incorporate a number of programs, customize your site and so on. Indeed, they are the most prolific internet store platforms.
http://zejen.si/magento-in-opencart-najbolj-razsirjena-cms-ja-za-spletne-trgovine