Editor: DNK USPS Ship n Track is a simple application which enables you to instantly integrate USPS shipping rates and shipment tracking onto your website. DNK USPS Ship n Track is available to you at no charge.
Features
Full source code included.
Provided as User controls which you can simply drag and drop onto any page.
Look and feel easily customizable through a central style sheet.
Easily switch from testing to live USPS server with a single word change in the web.config file.
It's yours for free.