ExpressJS - Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple
autoComplete.js - Simple autocomplete pure vanilla Javascript library.
Famous Engine - The Famous Engine is a free and open source JavaScript rendering engine.
AT-UI - UI library for developing powerful web interfaces
Chart.js - Easy, object oriented client side graphs for designers and developers.
InstantSearch iOS by Algolia - Build beautiful Search UX in Swift & Objective-C