The LinkedIn-API-JSON-Client is a Python library for interacting with the LinkedIn API. The library is designed to allow developers who don't understand either OAuth or the details of the client library to make use of the API.
The MySpace Developer Platform launches today. It's certainly big news when the world's largest social network launches their platform and we've updated our MySpace API Profile with the latest details.
Kippt, designed to make information workflow and archiving effortless, has launched a new API alongside a developer site and app gallery. The new, publicly available API simply opens up the existing Kippt API that continues to power the Kippt web service. Instead of pushing Kippt as a standalone product, the Kippt team hopes that the Kippt API will encourage developers to develop apps based on the Kippt platform.