Marelle is a client library for accessing the Foursquare API from JavaScript code. This library was written in coffeescript and is meant to be used with jquery 1.5+.
Topsy, a search tool based on real-time social media activity, has unveiled a new service called Topsy Social Analytics that tracks the rise and fall in popularity of specific pieces of online content as well as broader trends in online discussion. The analytics tool, like the Topsy API, uses publicly available data from Twitter to rank content and identify trends.
Deezer, a web-based music streaming service company based in Paris, France, has announced the launch of an affiliate program for developers along with upgrades to the Deezer API.
