Update 30 Jan 2018: This project is no longer maintained and possibly contains vulnerabilities.
This web app is written in rails, this tracks the courier through iframe if courier company site's don't have X-Frame-Options header available in their response.
From here you can download database which is in postgresql: https://www.dropbox.com/s/qicde6ocd0o27l4/dump1?dl=0
I'll add this in wiki section as soon as I get time.
It was costing me lots of bucks for server so currently its not hosting anywhere, but you can see the preview at waybackmachine. Here is the link: http://web.archive.org/web/20160226090833/http://couriertracker.org
There may/must be lots of bugs in it as this was my first self given project. Let me know if you find any issue :)