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62 stars written in Java
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Design patterns implemented in Java

Java 93,302 27,320 Updated Oct 21, 2025

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

Java 78,920 41,620 Updated Nov 8, 2025

Everything you need to know to get the job.

Java 64,645 12,936 Updated May 12, 2025

All Algorithms implemented in Java

Java 64,186 20,749 Updated Nov 7, 2025

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

Java 48,431 7,609 Updated Oct 31, 2025

Mirror of Apache Kafka

Java 31,262 14,782 Updated Nov 9, 2025

Open Source Identity and Access Management For Modern Applications and Services

Java 30,855 7,784 Updated Nov 9, 2025

Apache Flink

Java 25,452 13,755 Updated Nov 9, 2025

🔥下拉刷新、上拉加载、二级刷新、淘宝二楼、RefreshLayout、OverScroll,Android智能下拉刷新框架,支持越界回弹、越界拖动,具有极强的扩展性,集成了几十种炫酷的Header和 Footer。

Java 25,161 4,975 Updated Dec 4, 2024

Jenkins automation server

Java 24,634 9,182 Updated Nov 8, 2025

Desktop/Android/HTML5/iOS Java game development framework

Java 24,502 6,516 Updated Nov 6, 2025

光 HikariCP・A solid, high-performance, JDBC connection pool at last.

Java 20,832 3,002 Updated Nov 4, 2025

Zipkin is a distributed tracing system

Java 17,339 3,105 Updated Aug 15, 2025

A Java 8+ Jar & Android APK Reverse Engineering Suite (Decompiler, Editor, Debugger & More)

Java 15,291 1,207 Updated Oct 6, 2025

Quarkus: Supersonic Subatomic Java.

Java 15,173 2,999 Updated Nov 8, 2025

A standalone Java Decompiler GUI

Java 14,843 2,467 Updated Jul 8, 2024

Microservice Architecture with Spring Boot, Spring Cloud and Docker

Java 13,768 6,346 Updated May 17, 2024

Admin UI for administration of spring boot applications

Java 12,741 3,108 Updated Nov 9, 2025

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

Java 12,695 1,687 Updated Nov 4, 2025

🎆 A well-designed local image and video selector for Android

Java 12,561 2,068 Updated May 15, 2023

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

Java 12,045 2,767 Updated Nov 7, 2025

Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

Java 8,468 1,752 Updated Nov 3, 2025

Java DSL for easy testing of REST services

Java 7,062 1,916 Updated Oct 3, 2025

Micronaut Application Framework

Java 6,343 1,139 Updated Nov 7, 2025

This is the new home of the original DDD Sample app (previously hosted at sf.net)..

Java 5,221 1,515 Updated Jun 2, 2025

PowerMock is a Java framework that allows you to unit test code normally regarded as untestable.

Java 4,191 583 Updated Jan 3, 2024

A library provides an easy way to show skeleton loading view like Facebook and Alipay

Java 3,728 456 Updated Jul 31, 2021

Eclipse OpenJ9: A Java Virtual Machine for OpenJDK that's optimized for small footprint, fast start-up, and high throughput. Builds on Eclipse OMR (https://github.com/eclipse/omr) and combines with…

Java 3,473 775 Updated Nov 8, 2025

Code for Head First Design Patterns book (2020)

Java 3,233 1,936 Updated Dec 5, 2023

TCP/HTTP/UDP/QUIC client/server with Reactor over Netty

Java 2,725 688 Updated Nov 7, 2025
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