Design patterns implemented in Java

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

All Algorithms implemented in Java

Google core libraries for Java

A browser automation framework and ecosystem.

Mirror of Apache Kafka

FASTJSON 2.0.x has been released, faster and more secure, recommend you upgrade.

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

JDK main-line development https://openjdk.org/projects/jdk

A high performance caching library for Java

Apache Hadoop

Logstash - transport and process your logs, events, or other data

jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.

Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)

A programmer-oriented testing framework for Java.

A JavaScript checker and optimizer.

Tutorials for using RabbitMQ in various ways

Apache Storm

✅ The 5th major version of the programmer-friendly testing framework for Java and the JVM

configuration library for JVM languages using HOCON files

A reference implementation of a JSON package in Java.

Fault tolerance and resilience patterns for the JVM

Apache Kylin

Apache Nutch is an extensible and scalable web crawler

Apache Lucene open-source search software

Java bindings for Skia

Apache Ambari simplifies provisioning, managing, and monitoring of Apache Hadoop clusters.

Do not send pull requests! Automated Git clone of various OpenJDK branches

TestNG testing framework