Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications.

Socket.IO is a JavaScript library for realtime web applications. It enables realtime, bi-directional communication between web clients and server. It has two parts: a client-side library that runs in the browser, and a server-side library for node.js.

Students need to build a simple chat application using these two for FOSSAsia Google Code In Participants.

Useful Links -

http://nodejs.org/

http://socket.io/docs/#