AfterShip - AfterShip is the shipment tracking API for ecommerce businesses and marketplaces.
Cabubble - Taxi and minicab quotes for London, Birmingham, Manchester and throughout the UK. Book a licensed taxi or minicab online via website or mobile app.
17track - All-in-one package tracking
couriermanager - Try couriermanager! A software solution designed especially for courier companies management. Organization, efficiency and productivity!
PostTrack.com - Universal Parcel Tracking System
Dispatch Pro - Dispatch Pro is designed specifically for the plumbing, heating, air conditioning, drain, and electrical trades. If you have one truck or 250 trucks Dispatch Pro is the right software for the job.