Socket.IO 0.6 released

There is also: http://github.com/SocketTornadIO/SocketTornad.IO which is a port of Socket.IO that runs on Tornado.

1) One line to install

npm install socket.io

2) Three lines two use on the server

var io = require('socket.io');

var socket = io.listen(yourHttpServerInstance);

socket.on('connection', function(conn){ conn.on('message', function(msg){ console.log('message from client', msg); }); }

3) Three lines to use on the client

<script src="/socket.io/socket.js"></script> <!-- assuming node serves the HTML too -->

var socket = new io.Socket().connect();

socket.send('my message!');