Christopher Johnson authored as Tenorviol on Github to provide a third party Facebook SDK in Node.js language. The site mentions this is a port of Facebook's PHP SDK. It also states that users can interact with Facebook Graph API. Generally speaking, Facebook platforms APIs aim to develop social applications. In this case, Tenorviol offers a guide to install, use as connect middleware, perform stand alone usage, and test with Node.js.
Microsoft is one of the first--and certainly the largest of--customers of Wolfram Alpha's commercial API (our Wolfram|Alpha API profile). For math and nutritional searches, Microsoft's Bing now uses Wolfram results.