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.
Often viewed as a technological laggard, the US Government is breaking the mold when it comes to APIs. Few, if any, large groups of API enthusiasts ever get together to discuss a common mandate the way this group does. Like a drum beat, once per month, Uncle Sam just keep iterating.
The non-profit Sunlight Foundation, whose mission is to help others use the Internet to make information about the US government more accessible (and we've covered previously), recently released a very enlightening visualization of campaign contributions from 1990-2008, broken down by industry sectors and party lines.
Given just how innovative the new Obama administration is in terms of using technology to bring US politics into the 21st century, it's notable that it's the Republicans who are the first US party to launch a real open web API. You can now see the new Anywhere API over at the Republicans' US Congress site: gop.gov/api. As they describe: