Amazon Pay is an online payments processing service that is owned by Amazon. It lets you use the payment methods associated with your Amazon account to make payments for goods and services.
Amazon S3 or Amazon Simple Storage Service is a service offered by Amazon Web Services (AWS) that provides object storage through a web service interface.
Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
Magento is an open-source ecommerce platform written in PHP.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Userlike is a cloud-based live chat solution that can be integrated with existing websites.