cdnjs is a free distributed JS library delivery service.
Cowboy is a small, fast, modular HTTP server written in Erlang.
Express is a web application framework for Node.js, released as free and open-source software under the MIT License. It is designed for building web applications and APIs.
Firebase is a Google-backed application development software that enables developers to develop iOS, Android and Web apps.
Heroku is a cloud platform as a service (PaaS) supporting several programming languages.
Vue.js is an open-source model–view–viewmodel JavaScript framework for building user interfaces and single-page applications.