PHP class that integrates itself with the Google Maps API and with the geocoder.us database to make an easy to use interface to display Google Maps on your site. With about 5 lines of PHP code you can display a customized Google Map on your website.
Very little has been happening on the GM API front lately beyond plans for connected cars announced in January. But that quiet period could signal the retooling before the storm. Programmableweb's Janet Wagner wrote a three-part series earlier in June, making it clear that changes are coming from every auto manufacturer. One indication: our API directory lists 17 APIs under "vehicle." The GM APIs cover features everyone would expect, from audio streaming to location data. But GM's plans extend far beyond that.
Zillow has released an application for iPhone users that builds on their Zillow API, the Microsoft Virtual Earth API and the iPhone's GPS capabilities. The Zillow iPhone app detects your location and shows data about nearby homes, including market values, photos, and which ones are for sale. It's a great example of a mobile mashup application that uses multiple APIs in meaningful location-aware context.