Octopi - Powerful Pacman (GUI | frontend) written in Qt
AfterShip - AfterShip is the shipment tracking API for ecommerce businesses and marketplaces.
Parcel Perform - Parcel Perform is a global e-commerce parcel tracking software with over 600+ logistics carriers...
TrackChecker Mobile - TrackChecker Mobile app features tracking of parcels and online orders, so users don’t have to worry about losing a package by tracking the parcel right on their mobile phone screen.
17track - All-in-one package tracking
Track24 - Track24 app assists you in tracking the packages of more than 600 international courier and postal services from all around the globe.