ExpressJS - Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple
POWr - POWr is a library of free and customizable forms, galleries, social streams, e-commerce, countdowns, and more.
Famous Engine - The Famous Engine is a free and open source JavaScript rendering engine.
jQuery - The Write Less, Do More, JavaScript Library.
Chart.js - Easy, object oriented client side graphs for designers and developers.
EmbedAlbum - EmbedAlbum is a professional social media tool that can embed Facebook gallery, Instagram and Twitter feed on any website.