Who needs a tracking service when you can just hop on the USPS, FedEx, UPS, or DHL website (or whoever your carrier is) and just track? Maybe you. The Trackthis API integrates an amazing array of functions into your application. The API webpage lists over 10 carriers you can get notifications for.
Version 2 of ProgrammableWeb.com is now live. What's new? Just about all of it, every page is different. Perhaps the biggest change is the addition of 3 "dashboards" which now serve as the site's main hubs.