Express
express has a rock solid router build into it. It's got a lovely DSL syntax
router.get("/foo/:id/:item", function (req, res) {
console.log(req.params.id);
});
Director
Director is an awesome standalone router that is part of Flatiron
router.get(/hola/, helloWorld)
Your own
For a lightweight codebase spinning up your own router using regular expressions is really easy