Packagetrackr / Universal Package Tracking Service
http://www.packagetrackr.com/

Packagetrackr is an all-in-one tracking tool for all your shipments. Packagetrackr will remember all of your tracking numbers and pull delivery status information from a dozen carriers with extra features not offered on the carriers' sites.

Universal Package Tracking Service

Track any order. This site figures out the carrier

RASTREAR PAQUETES DE UPS, FEDEX Y DHL

Buscador de paquetes y su hubicacion

universal package tracking: UPS, FedEx, USPS, and DHL with RSS and Maps