Ember.js : A JavaScript framework for creating ambitious web applications
Ink : Ink provides the same component-based UI building experience that React offers in the browser, but for command-line apps. It uses Yoga to build Flexbo...
Wave.js : Audio visualizer library for javascript. Create dynamic animations that react to an audio file or audio stream.
The Closure Compiler, Library, Templates, and Stylesheets help developers create powerful and efficient JavaScript.