Most popular java repositories and open source projects

Java was originally developed as an alternative to the C/C++ programming languages. It is now mainly used for building desktop, Android, and web server applications. Java is owned and licensed through Oracle.

FXGL

Java / JavaFX / Kotlin Game Library (Engine)

611   4547   4547  

objectbox-java

Database for Android and JVM - first and fast, lightweight on-device v...

308   4513   4513  

simplify

Android virtual machine and deobfuscator

445   4512   4512  

java-algorithms-implementation

Algorithms and Data Structures implemented in Java

1863   4502   4502  

maven

Apache Maven core

2707   4497   4497  

android

📱 Nextcloud Android app

1810   4477   4477  

Infinity-For-Reddit

A Reddit client for Android

422   4470   4470  

opengrok

OpenGrok is a fast and usable source code search and cross reference e...

763   4468   4468  

dynamic-tp

🔥🔥🔥轻量级动态线程池，内置监控告警功能，集成三方中间件线程池管理，基...

848   4428   4428  

mapbox-gl-native

Interactive, thoroughly customizable maps in native Android, iOS, macO...

1324   4405   4405  

shiro

Apache Shiro

2317   4399   4399  

mall4j

⭐️⭐️⭐️ 电商商城 小程序电商商城系统 PC商城 H5商城 APP商城 Java商城 O...

1199   4398   4398  

h2database

H2 is an embeddable RDBMS written in Java.

1249   4376   4376  

JavaCollection

Java开源项目之「自学编程之路」：学习指南+面试指南+资源分享+技术文章

717   4374   4374  

lucene-solr

Apache Lucene and Solr open-source search software

2650   4372   4372  

WePush

专注批量推送的小而美的工具，目前支持：模板消息-公众号、模板消息-小程序...

997   4364   4364  

leet-code

Java Solutions to problems on LintCode/LeetCode

26   4353   4353  

awesome-wasm-langs

😎 A curated list of languages that compile directly to or have their...

200   4350   4350  

crate

CrateDB is a distributed and scalable SQL database for storing and ana...

581   4295   4295  

drozer

The Leading Security Assessment Framework for Android.

814   4295   4295  

jacoco

:microscope: Java Code Coverage Library

1161   4289   4289  

java-learning

旨在打造在线最佳的 Java 学习笔记，含博客讲解和源码实例，包括 Java SE...

1209   4263   4263  

jitsi

Jitsi is an audio/video and chat communicator that supports protocols...

990   4249   4249  

dragonwell8

Alibaba Dragonwell8 JDK

495   4245   4245  

open-location-code

Open Location Code is a library to generate short codes, called "plus...

516   4229   4229  

failsafe

Fault tolerance and resilience patterns for the JVM

297   4228   4228  

vimspector

vimspector - A multi-language debugging system for Vim

175   4221   4221  

one-day-one-language

Cómo dar en un día tus primeros pasos en cada lenguaje de programación...

188   4218   4218  

JimuReport

⭐️「低代码可视化报表」类似excel操作风格，在线拖拽完成设计！功能涵盖:...

1300   4214   4214  

kaitai_struct

Kaitai Struct: declarative language to generate binary data parsers in...

200   4203   4203  

Conversations

Conversations is an open source XMPP/Jabber client for Android

1248   4196   4196  

powermock

PowerMock is a Java framework that allows you to unit test code normal...

583   4191   4191  

spring-boot-starter

MyBatis integration with Spring Boot

1793   4186   4186  

camunda-bpm-platform

C7 CE enters EOL in October 2025. Please check out C8 https://github.c...

1602   4185   4185  

aws-sdk-java

The official AWS SDK for Java 1.x (In Maintenance Mode, End-of-Life on...

2821   4177   4177  

javassist

Java bytecode engineering toolkit

710   4164   4164  

fastjson2

🚄 FASTJSON2 is a Java JSON library with excellent performance.

539   4137   4137  

bistoury

Bistoury是去哪儿网的java应用生产问题诊断工具，提供了一站式的问题诊断方...

834   4075   4075  

jodd

Jodd! Lightweight. Java. Zero dependencies. Use what you like.

724   4065   4065  

java-developer-roadmap

Roadmap to becoming a Java developer in 2025

548   4047   4047  

chunjun

A data integration framework

1699   4030   4030  

spring-ai

An Application Framework for AI Engineering

1081   4026   4026  

Phoenix

Phoenix Pull-to-Refresh

914   4002   4002  

geoserver

Official GeoServer repository

2202   3982   3982  

lilishop

开源商城 JAVA商城 多语言商城 分销商城 uniapp商城 小程序商城 SAAS商城...

975   3969   3969  

syncthing-android

Wrapper of syncthing for Android.

488   3960   3960  

tech-weekly

「小马哥技术周报」

711   3959   3959  

interviewGuide

推荐免费ChatGPT网站：https://www.lintcode.com/chat-gpt?utm_source=tf-g...

684   3956   3956  

awaitility

Awaitility is a small Java DSL for synchronizing asynchronous operatio...

250   3953   3953  

Leetcode

Solutions to LeetCode problems; updated daily. Subscribe to my YouTube...

1304   3952   3952