Facebook FBGraph by Criso is a third party SDK created in Node.js language. This module offers access to the Facebook Graph API, aiming to facilitate calls with JSON return. The reason behind the development in Node.js is consistency. This is because in certain times, Facebook returns a string on true or redirects to the image on friend requests, test users, and token requests. Information available on Github includes instructions for installation, authentication, and static access token. Additionally, users can find how-to's related to read, search, and publish data from the Facebook Graph API.
Viadeo, a social network founded in 2004 with 35 million professional members worldwide, is looking to take on LinkedIn as the preferred business social network in the United States -- and the company thinks that its Viadeo API will do it. Viadeo recently launched a publicly available version of its API that provides full access to the social network's users' data including career, news, groups, jobs, schools and a users status and messaging system.
Online diagramming service Creately opened its Creately API to the public this month, and with some surprisingly innovative features. While providing obvious features to make its service available to outside developers, and several "above and beyond" features, such as easy embedding of diagrams, Creately has done something fairly unique: open up its own, web-based file format for other developers to use.