Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.

Free and Open Source, Distributed, RESTful Search Engine

Google core libraries for Java

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

Netty project - an event-driven asynchronous network application framework

Mirror of Apache Kafka

a fast, scalable, multi-language and extensible build system

A fast dependency injector for Android and Java.

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

Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 11 and above, brought to you by Google.

Apache ZooKeeper

Change data capture for a variety of databases. Please log issues at https://issues.redhat.com/browse/DBZ.

Apache Cassandra®

Apache Beam is a unified programming model for Batch and Streaming data processing.

Apache Tomcat

Apache Pinot - A realtime distributed OLAP datastore

The simple, stupid rules engine for Java

Maxwell's daemon, a mysql-to-json kafka producer

Apache Lucene open-source search software

A High Dynamic Range (HDR) Histogram

ZooKeeper co-process for instance monitoring, backup/recovery, cleanup and visualization.

Build a GraphQL service in seconds

Improvement of Apache Kafka Mirrormaker

Airbnb's Open-source Distributed Delayed Job Queueing System

ZooKeeper copy utililty