AfterShip was founded at the 1st Startup Weekend Hong Kong in Nov 2011. Company mission is to make shipment tracking easy for online sellers and buyers.
Please find more information about how to install plugins here.
The plugin is provided absolutely for free and includes source code. Find the project Github repository here.
UPDATE: nopCommerce team doesn't plan to upgrade this plugin to the latest version. Our community is more than welcome to continue development of the plugin. Please feel free to use our source code.