Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices.
Chain.js – Data Binding Service for jQuery Chain.js is a jQuery plugin, providing unobtrusive data-binding capability that allows you to generate web contents automatically by binding your data to html. Unlike other data-binding frameworks and library, it uses pure DOM, instead of string-based innerHTML approach, so event binding won’t gone during rendering. This library can also be very helpful if you strictly separate your data from your HTML, e.g. developing using MVC-Pattern