The Zillow Symfony PHP SDK by Kaelin Jacobson allows developers to integrate the Zillow API into their applications built with Symfony 2, a PHP web development framework. This SDK can be installed using Composer.
Mobile application users love maps, and developers have many API choices to add mapping features to their apps. If you want to add navigation, location based features, route planning or other mapping related features to apps, here's a list of popular APIs from ProgrammableWeb.
Potentially no industry was impacted as much as real estate by mapping APIs. Over five years later, it takes more than pins on a slippy map to create a useful real estate mashup. The three below are worth noting because each uses a different platform: web, WordPress and Android. Of course, we know our directory of 229 real estate mashups doesn't cover everything. Get the word out and add a mashup.