ExpressJS - Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple
React Native Desktop - Build OS X desktop apps using React Native
Famous Engine - The Famous Engine is a free and open source JavaScript rendering engine.
Deco IDE - Best IDE for building React Native apps
Chart.js - Easy, object oriented client side graphs for designers and developers.
Supernova V4 - Turn Sketch into iOS, Android and React Native in minutes