multitrack: Rack app to track multiple traffic sources for your web signups

thechangelog:

If you’ve found tracking return on your marketing dollars a challenge for your web application, take a look at Multitrack from Shopify founder Tobias Lütke. Multitrack is a Rack app that lets you store multiple traffic sources for your application signups.

To use Multitrack, deploy the Rack app to your own server on your server stack of choice, configure the database info, and add the following to your signup page:
<script src="http://<yourserver.com>/track.js"></script>
[Source on GitHub]

thechangelog