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