The shop engine behind the webshop.
You may have used the shopify engine without knowing it...
Shopify has used Ruby on Rails to create something truely marvoulus. A shop, where you can buy webshops. Or rather, a framework to easily create webshops and online stores. It powers hundreds of stores, with very diverse products, and equally diverse challanges to keep all this combined in a single application.
Over 600.000 online stores
More than half a milion company's trust on shopify to thrive their online shop. That is a huge number, and concidering the complexity of a webshop it is also an amazing achievement to host so many different products and its needs.
These are some very impressive numbers for any kind of app, but if you know that it is build with Ruby on Rails, you will uderstand how this was possible.