1. A JavaScript library for building user interfaces

  2. Angular Docs

  3. Reactive Components for Modern Web Interfaces

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

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

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

  7. 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)

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

  9. A JavaScript framework for creating ambitious web apps

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

  11. Meteor is a set of new technologies for building top-quality web apps in a fraction of the time.

  12. A lightweight and modular front-end framework for developing fast and powerful web interfaces