The OpenWeatherMap C SDK by Pebble Hacks allows developers to integrate the OpenWeatherMap API into their C applications. This SDK can be used to get weather descriptions, short descriptions, temperatures (in K, C, or F), and location names.
Google keeps expanding the features of its Google Maps API, yet there's no shortage of things developers wish Google added. We know this because there is a public repository of issues. While some may be bugs, most are enhancements, desired additions to the web's most popular API.
Location-sharing service Gowalla is preparing to launch its long-awaited write API (our Gowalla API profile). The move could makes its platform as desirable as its main competitor, FourSquare. With it, comes the need to relinquish a bit of control of the user experience, something Gowalla has considered an important factor of its success.