Known and unknown security and performance issues in 2.x have not been addressed since the last update (29 June, 2012). It is highly recommended to use the latest version of Express.
If you are unable to upgrade past 2.x, please considerCommercial Support Options.
High performance, high class web development for Node.js
var app = express.createServer();
app.get('/', function(req, res){
res.send('Hello World');
});
app.listen(3000);
The following are the major contributors of Express (in no specific order).
The following modules complement or extend Express directly: