Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.

Amazon CloudFront is a fast content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency, high transfer speeds.

Amazon Web Services (AWS) is a comprehensive cloud services platform offering compute power, database storage, content delivery and other functionality.

Plesk is a web hosting and server data centre automation software with a control panel developed for Linux and Windows-based retail hosting service providers.

Choices.js is a lightweight, configurable select box/text input plugin.

reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.

jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.

Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.

JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.

Tableau is a data visualization tool that enables creation of interactive visualizations for embedding in websites or sharing with others.

jQuery CDN is a way to include jQuery in your website without actually downloading and keeping it your website's folder.

PHP is a general-purpose scripting language used for web development.

Varnish is a reverse caching proxy.