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.

Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.

Java is a class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.

Apache Tomcat is an open-source implementation of the Java Servlet, JavaServer Pages, Java Expression Language and WebSocket technologies.

OpenResty is a web platform based on nginx which can run Lua scripts using its LuaJIT engine.

Fastly is a cloud computing services provider. Fastly's cloud platform provides a content delivery network, Internet security services, load balancing, and video & streaming services.

Varnish is a reverse caching proxy.

GitHub Pages is a static site hosting service.

GitBook is a command-line tool for creating documentation using Git and Markdown.

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.

cdnjs is a free distributed JS library delivery service.