The National Weather Service PHP library by Cristian Radu aims to simplify the access to the NWS REST API. To obtain weather data, users require PHP 5.3. To show a complete list of use cases for the library, developers can go to example.php. To retrieve forecast, they only need to use the methods based on latitude and longitude. And, to extract the weather data, they just need to use the model object methods. Under MIT license.
The Health team at Bing used public data to create a Health Map application (requires Silverlight) that lets users visualize a number of health indicators, such as obesity and premature births, by U.S. county.
So far more than 650 APIs have been added to the ProgrammableWeb directory in 2014 and some new trends are starting to emerge. Some recent popular categories remain near the top of the charts. The financial APIs that put APIs in the mainstream continue to expand, adding about 50 new APIs in the first quarter. A few other categories were less consistent and had extreme rises or falls in popularity.