Hadoop

PredictionIOapache/predictionio

An open source machine learning server for developers and data scientists, supporting event collection, algorithm deployment, and REST API queries.

h2oh2oai/h2o-3

An open-source, in-memory platform for distributed and scalable machine learning with support for a wide range of algorithms and big data technologies.

Scaldingtwitter/scalding

A Scala API for Cascading that simplifies writing Hadoop MapReduce jobs with Scala integration.

voldemortvoldemort/voldemort

A distributed key-value storage system designed for horizontal scalability, automatic replication, and fault tolerance.

Apache Sedonaapache/incubator-sedona

A cluster computing framework for processing large-scale geospatial data within Apache Spark, Flink, and other big data systems.

Elasticsearch Hadoopelastic/elasticsearch-hadoop

Native integration library for using Elasticsearch with Hadoop, Spark, and Hive for real-time search and analytics on big data.

Oryx 2OryxProject/oryx

A lambda architecture framework on Apache Spark and Kafka for building and deploying real-time large-scale machine learning applications.

mongo-hadoopmongodb/mongo-hadoop

A library enabling MongoDB to serve as input source or output destination for Hadoop MapReduce tasks and ecosystem tools.