Scikit-learn - scikit-learn (formerly scikits.learn) is an open source machine learning library for the Python programming language.
BigML - BigML's goal is to create a machine learning service extremely easy to use and seamless to integrate.
OpenCV - OpenCV is the world's biggest computer vision library
Microsoft Bing Image Search API - The Bing Image Search API adds a host of image search features to your apps including trending images. Test the image API with our online demo.
SuperLearner - SuperLearner is a R package that implements the super learner prediction method and contains a library of prediction algorithms to be used in the super learner.
News API - Get live headlines from a range of news sources