OpenCart - A free shopping cart system. OpenCart is an open source PHP-based online e-commerce solution.s
Jumpseller - Start Your Online Store! Grow your business.
Maian Stripe - Free Stripe PHP Shopping Cart Script. Lightweight Stripe Shopping Cart. Self Hosted, Fast, Responsive, Easy to Use, Reliable. Ecommerce Simplified.
Shopify - Shopify is a powerful ecommerce platform that includes everything you need to create an online store and sell online. Try it free for 14 days.
nopCommerce - nopCommerce is the open-source eCommerce solution. nopCommerce is available for free. It has everything you need to get started in selling physical and digital goods over the internet.
Arastta - Arastta is the next generation of eCommerce software built with modern technologies.