AngularJS

HTML is great for declaring static documents, but it falters when we try to use it for declaring dynamic views in web-applications. AngularJS lets you extend HTML vocabulary for your application.

Free Open Source Mac OS X Windows Linux Web

Polymer

Polymer is a library that uses the latest web technologies to let you create custom HTML elements. Build anything from a button to a complete application as an encapsulated, reusable element that works across desktop and mobile.

Free Open Source Mac OS X Windows Linux

React

A JavaScript library for building user interfaces.

Free Open Source Mac OS X Windows Linux Web

ember.js

You can write less code with Ember's Handlebars integrated templates that update automatically when the underlying data changes. Ember.

Free Open Source Web JavaScript

Backbone.js

Backbone supplies structure to JavaScript-heavy applications by providing models with key-value binding and custom events, collections with a rich API of enumerable functions, views with declarative event handling, and connects it all to...

Free Open Source Web

Ext JS

Ext JS is a JavaScript library for building interactive web applications using techniques such as Ajax, DHTML and DOM scripting. Ext includes interoperability with jQuery and Prototype.

Commercial Web

KnockoutJS

Knockout is a JavaScript library that helps you to create rich, responsive display and editor user interfaces with a clean underlying data model. Any time you have sections of UI that update dynamically (e.g.

Free Open Source Mac OS X Windows Linux

Opa

Opa is an open source, simple and unified platform for writing web applications. All aspects are directly written in Opa: Frontend code, backend code, database queries...

Free Open Source Mac OS X Windows Linux

RiotJS

Simple and elegant component-based UI library. Custom tags, enjoyable syntax, elegant API, tiny size (~10KB).

Free Open Source Web

Microsoft Web Framework

MWF is a system that allows site authors to consider how best to tell the story of Microsoft products and services with confidence that the modular pieces will support...

Free Open Source Self-Hosted

Marko

marko is a modern, progressive ui library built and used by ebay for fast and friendly web development.

Free Open Source Self-Hosted

Preact

preact is a fast ui framework with the same same es6 api as react but just 3kb in size.

Free Open Source Self-Hosted

Rax

rax is a universal javascript library built and used by alibaba.com that has a largely react compatible api. features fast: blazing fast virtual dom. tiny: 8.

Free Open Source Self-Hosted