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.
Facebook this week introduced two major sets of developer tools for interacting with its various services. The company released a new software development kit for Apple's Swift programming language, and added lots of new features to its Graph API 2.7. Both toolsets are available in preview form.
Do you use Twitter? Then you really must find out where you fare in these Twitter mashups, which use your tweets, your followers and a number of other factors to determine your rank (or so the following services want you to do). The results are indisputable, but if you don't like what one has to say, try another!