Top 20 products relevant to Javascript UI Libraries, JS Library, JavaScript Framework, and Front-End Frameworks

Reactive Components for Modern Web Interfaces.

Open Source

AngularJS lets you extend HTML vocabulary for your application. The resulting environment is extraordinarily expressive, readable, and quick to develop.

A JavaScript framework for creating ambitious web apps.

Open Source

Polymer is a library that uses the latest web technologies to let you create custom HTML elements.

An enterprise JavaScript Library for cross-platform app development with HTML5 JavaScript widgets and easy integration with most popular JavaScript Frameworks.

Open Source freemium $349.0 / One-off (Individual License, One project + One developer)

Give your JS App some Backbone with Models, Views, Collections, and Events.

Open Source

Sencha Ext JS is the most comprehensive JavaScript framework for building data-intensive, cross-platform web and mobile applications for any modern device. Ext JS includes 140+ pre-integrated and tested high-performance UI components.

A declarative, efficient and flexible JavaScript library for building user interfaces.

Open Source

CanJS is a JavaScript library that makes developing complex applications simple and fast. .

Open Source

Thymeleaf is a modern server-side Java template engine for both web and standalone environments.

Open Source

Knockout makes it easier to create rich, responsive UIs with JavaScript.

Open Source

Riot allows teams to communicate across a wide range of collaboration apps.

Free web application framework for building Web sites and Web applications using JavaScript, HTML...

Open Source

CreateJS is a JavaScript suite for developers looking to control the true power of HTML5's canvas element.

Open Source

React can also act as a "widget toolkit" by using pre-made React components. http://react-components.com/.

Open Source

Dead-simple JS framework for native web components.

Open Source

MooTools (My Object-Oriented Tools) is a lightweight, object-oriented, web-application framework...

Open Source

Marko Widgets extends the Marko templating engine to provide a simple and efficient mechanism for binding behavior to UI components rendered on either the server or in the browser.

A highly modular, loosely coupled, non-frameworky framework for building advanced JavaScript apps.

SWFObject is an open-source Javascript framework for detecting the Adobe Flash Player plugin and embedding Flash (SWF) files.