React
React is a JavaScript library for building user interfaces.
Angular.js
AngularJS lets you write client-side web applications as if you had a smarter browser. It lets use good old HTML (or HAML, Jade and friends!) as your template language and lets you extend HTML’s syntax to express your application’s components clearly and succinctly
Ionic
Advanced HTML5 Mobile App Framework. A beautiful front-end framework for developing hybrid mobile apps in HTML5. Best friends with AngularJS.
Redux
Predictable state container for JavaScript apps
Vue
Intuitive, fast & composable MVVM for building interactive interfaces.
Chart.js
Simple HTML5 Charts using the <canvas> tag
Three.js
JavaScript 3D library.
Babel
Babel is a compiler for writing next generation JavaScript.
6to5
Turn ES6 code into readable vanilla ES5 with source maps
Leaflet
JavaScript library for mobile-friendly interactive maps
Meteor
Meteor, an ultra-simple, database-everywhere, data-on-the-wire, pure-Javascript web framework.
Express
Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple
Yarn
Fast, reliable, and secure dependency management.
Socket.io
Realtime application framework for Node.JS, with HTML5 WebSockets and cross-browser fallbacks support.
Moment
Parse, validate, manipulate, and display dates in javascript.
Video.js
Universal video embed.