Design patterns implemented in Java

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

Netty project - an event-driven asynchronous network application framework

Open Source Identity and Access Management For Modern Applications and Services

Mirror of Apache Kafka

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

A Java serialization/deserialization library to convert Java Objects into JSON and back

Redisson - Valkey & Redis Java client. Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Over 50 Valkey and Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queue,…

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

High Performance Inter-Thread Messaging Library

A fast dependency injector for Android and Java.

Most popular Mocking framework for unit tests written in Java

Redis Java client

Apache Cassandra®

A fast build system that encourages the creation of small, reusable modules over a variety of platforms and languages.

Algorithms, 4th edition textbook code and libraries

Idiomatic persistence for Java and relational databases

configuration library for JVM languages using HOCON files

Fibers, Channels and Actors for the JVM

The official AWS SDK for Java 1.x (In Maintenance Mode, End-of-Life on 12/31/2025). The AWS SDK for Java 2.x is available here: https://github.com/aws/aws-sdk-java-v2/

必应每日超清壁纸（4K） Bing Daily Wallpaper (4K)

Apache Avro is a data serialization system.

Java bindings for Skia

https://openjdk.org/projects/code-tools/jmh

FitNesse -- The Acceptance Test Wiki

https://openjdk.org/projects/loom

CloudFoundry User Account and Authentication (UAA) Server

Open source tools for building custom schedulers on Amazon ECS

Thrift on Netty