AfterShip - AfterShip is the shipment tracking API for ecommerce businesses and marketplaces.
Octopi - Powerful Pacman (GUI | frontend) written in Qt
PackageX Receive - PackageX Receive digitizes package-receiving operations and delivers world-class package management solutions.
Parcel Perform - Parcel Perform is a global e-commerce parcel tracking software with over 600+ logistics carriers...
17track - All-in-one package tracking
Envoy Deliveries - Manage office deliveries simply by snapping a photo.