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.
Next.js is a React framework for developing single page Javascript applications.
Progressive Web Apps (PWAs) are web apps built and enhanced with modern APIs to deliver enhanced capabilities, reliability, and installability while reaching anyone, anywhere, on any device, all with a single codebase.
React is an open-source JavaScript library for building user interfaces or UI components.