Open source releases from Microsoft
Open source simulator for autonomous vehicles built on Unreal Engine / Unity, from Microsoft AI & Research
A fast, distributed, high performance gradient boosting (GBDT, GBRT, GBM or MART) framework based on decision tree algorithms, used for ranking, classification and many other machine learning tasks. It is under the umbrella of the DMTK(http://github.com/microsoft/dmtk) project of Microsoft.
ONNX Runtime: cross-platform, high performance scoring engine for ML models
Help developers create APIs that can run on multiple platforms and be used with a variety of languages