Aimeos (Laravel). Drupal Commerce. Magento. OSCommerce. PrestaShop. Shopware. Sylius. WooCommerce. Bespoke. SaaS. It's no doubt that when a website needs a commerce component, open source provides the most control - but how do you know which one is the best choice? While it's easy to go with a system built on your favorite framework, it may not be the best choice based on business needs. This talk takes an objective look at the open source commerce ecosystem and provides a set of questions and guidelines to use to find the right system for your application.