1. A JavaScript library for building user interfaces

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

  3. Reactive Components for Modern Web Interfaces

  4. A JavaScript framework for creating ambitious web apps

  5. The Write Less, Do More, JavaScript Library.

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

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

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

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

  10. MVC framework making it easy to write realtime, collaborative applications that run in both Node.