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.
Moment.js is a free and open-source JavaScript library that removes the need to use the native JavaScript Date object directly.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Polyfill is a service which accepts a request for a set of browser features and returns only the polyfills that are needed by the requesting browser.
Vue.js is an open-source model–view–viewmodel JavaScript framework for building user interfaces and single-page applications.