1. A JavaScript library for building user interfaces

  2. Angular Docs

  3. Reactive Components for Modern Web Interfaces

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

  5. Create iOS, Android and Mac apps in C#

  6. Appium is an open source test automation framework for use with native and hybrid mobile apps.

  7. A JavaScript framework for creating ambitious web apps

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

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

  9. Curated set of user interface interactions, effects, widgets, and themes built on top of the jQuery JavaScript Library

  10. Next gen JS framework written with ES6 and ES7. Integrates with Web Components. No external dependencies except polyfills.

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

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