Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
Cowboy is a small, fast, modular HTTP server written in Erlang.
Emotion is a library designed for writing CSS styles with JavaScript.
Heroku is a cloud platform as a service (PaaS) supporting several programming languages.
Keen-Slider is a free library agnostic touch slider with native touch/swipe behavior.
Next.js is a React framework for developing single page Javascript applications.