Free and Open Source, Distributed, RESTful Search Engine

Apache Flink

A high performance caching library for Java

The official home of the Presto distributed SQL query engine for big data

Quarkus: Supersonic Subatomic Java.

Apache Hadoop

Most popular Mocking framework for unit tests written in Java

Apache Druid: a high performance real-time analytics database.

Change data capture for a variety of databases. Please log issues at https://github.com/debezium/dbz/issues.

Apache Cassandra®

Apache Iceberg

Alluxio, data orchestration for analytics and machine learning in the cloud

Flink CDC is a streaming data integration tool

Yahoo! Cloud Serving Benchmark

H2 is an embeddable RDBMS written in Java.

Apache Curator

An open source clone of Amazon's Dynamo.

HiBench is a big data benchmark suite.

A platform that makes it easy for developers to build realtime, cost-effective, operations-focused applications

Open source Java implementation for Raft consensus protocol.

Apache Phoenix

s3mper - Consistent Listing for S3

Hadoop output committers for S3

cephfs-hadoop