H2O-3: Fast Scalable Machine Learning

H2O-3 is an open-source, in-memory, distributed, fast, and scalable machine learning platform primarily implemented in Java with a Python client. It offers a wide array of common machine learning algorithms including GLM, Gradient Boosting, Deep Learning, XGBoost, and Isolation Forest. The current version is 3.46.0.10. Releases are frequent, typically on a monthly or bi-monthly cadence, reflecting active development and continuous improvement.