Klout SDKs and Wrappers make up a set of development kits that developers can use to develop 3rd party applications. The SDK supports a variety of languages (Java, Node.js, Objective-C, PHP, Python, & Ruby), allowing developers the ability to choose the compatible language and framework. The site also provides developers with other OAuth and KloutPass Tools that are contributed by the Klout developer community.
Hall, communication and collaboration platform for teams and business, allows teams to integrate various apps through the Hall API. Hall offers a suite of tools and features that enable teams to communicate, provide feedback, and share work in a seamless fashion (e.g. chat, file sharing, video sharing, etc.). Hall believes the world is currently evolving to a new normal when it comes to communication and project completion.
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.
When Twitter announced it's new Twitter API changes it left many the disgruntled third party app developer who had built tools and services on top of the API. Where many have been forced to simply work around these changes regardless of the damage caused, others will be forced to abruptly shut down. Unfortunately, the latter is true for Twimbow.