Material Design Components in HTML/CSS/JS
Simplified HTTP request client.
Bootstrap 3 components built with React
Simple, scalable state management.
Observable data. Reactive functions. Simple code.
The Vue.js Developers Framework
Phaser is a light-weight 2D game framework for making HTML5 games for desktop and mobile browsers
File Upload widget with multiple file selection, drag&drop support, progress bars and preview images for jQuery. Supports cross-domain, chunked and resumable file uploads and client-side image resizing. Works with any server-side platform (PHP, Python, Ruby on Rails, Java, Node.js, Go etc.) that supports standard HTML form file uploads.
It's a presentation framework based on the power of CSS3 transforms and transitions in modern browsers and inspired by the idea behind prezi.com.
Give your JS App some Backbone with Models, Views, Collections, and Events
A cross browser rich text editor with an API
A completely customizable framework for building rich text editors.