H2O

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H2O is an in-memory platform for distributed, scalable machine learning. H2O uses familiar interfaces like R, Python, Scala, Java, JSON and the Flow notebook/web interface, and works seamlessly with big data technologies like Hadoop and Spark. H2O provides implementations of many popular algorithms such as Generalized Linear Models (GLM), Gradient Boosting Machines (including XGBoost), Random Forests, Deep Neural Networks, Stacked Ensembles, Naive Bayes, Generalized Additive Models (GAM), Cox Proportional Hazards, K-Means, PCA, Word2Vec, as well as a fully automatic machine learning algorithm (H2O AutoML).

H2O is extensible so that developers can add data transformations and custom algorithms of their choice and access them through all of those clients. H2O models can be downloaded and loaded into H2O memory for scoring, or exported into POJO or MOJO format for extremely fast scoring in production. More information can be found in the [H2O User Guide](http://docs.h2o.ai/h2o/latest-stable/h2o-docs/index