The OpenStreetMap-api-client PHP SDK by Mauro Moreno is a PHP client for the OpenStreetMap API. The OpenStreetMap API has various aspects. Part of it's services provides read and write operations on the raw map data of the OpenStreetMap database.
One of the most powerful aspects of mashups is taking similar data from competing websites and providing a single place to examine the content. In this round-up of the best new mashups we'll look at three apps that aggregate data from multiple services. One looks at location check-ins, another at shared photos and another mashes photos with information about where they were taken.