SWX is the easiest way to build Flash applications that use Twitter. SWX stands for SWF Data Exchange Format. It’s a new, native, data format for Flash that uses simple SWF files to store and exchange data.
According to a BBC news story, SpeakLike "crowd sources work to its pool of 3,000 translators, They can translate your blog into 35 languages and, incredibly, can even do tweets and live chats." Plus, they have the SpeakLike API.
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.