Top Java repositories on GitHub

The most-starred Java repositories that were pushed to in the last 30 days. Archived projects are left out.

As of 2026-10-26, the most-starred Java repository is krahets/hello-algo with ★ 131k. This board tracks 25 repositories with ★ 1399k combined; the most common license is Apache-2.0 (13 of 25).

1. #1 krahets/hello-algo★ 131k

   《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持简中、繁中、English、日本語，提供 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 等代码实现

   Java · updated 2026-10-10

2. #2 iluwatar/java-design-patterns★ 95k

   Design patterns implemented in Java

   Java · updated 2026-10-08

3. #3 NationalSecurityAgency/ghidra★ 95k

   Ghidra is a software reverse engineering (SRE) framework

   Java · Apache-2.0 · updated 2026-10-26

4. #4 spring-projects/spring-boot★ 82k

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

   Java · Apache-2.0 · updated 2026-10-26

5. #5 doocs/advanced-java★ 79k

   😮 Core Interview Questions & Answers For Experienced Java(Backend) Developers | 互联网 Java 工程师进阶知识完全扫盲：涵盖高并发、分布式、高可用、微服务、海量数据处理等领域知识

   Java · CC-BY-SA-4.0 · updated 2026-10-19

6. #6 elastic/elasticsearch★ 78k

   Free and Open Source, Distributed, RESTful Search Engine

   Java · updated 2026-10-26

7. #7 TheAlgorithms/Java★ 66k

   All Algorithms implemented in Java

   Java · MIT · updated 2026-10-25

8. #8 spring-projects/spring-framework★ 60k

   Spring Framework

   Java · Apache-2.0 · updated 2026-10-26

9. #9 dbeaver/dbeaver★ 52k

   Free universal database tool and SQL client

   Java · Apache-2.0 · updated 2026-10-26

10. #10 google/guava★ 52k

    Google core libraries for Java

    Java · Apache-2.0 · updated 2026-10-24

11. #11 skylot/jadx★ 51k

    Dex to Java decompiler

    Java · Apache-2.0 · updated 2026-10-25

12. #12 jeecgboot/JeecgBoot★ 48k

    【低代码v2.0，一句话即可生成整个系统】企业级AI低代码平台，一键生成前后端代码甚至整个系统。 AI Skills 一句话画流程、设计表单、生成报表、大屏。内置 AI应用平台涵盖：AI聊天、知识库、流程编排、MCP插件等，兼容主流大模型。引领AI低代码「Skills 生成 → 在线配置 → 代码生成 → 手工合并->AI修改」开发模式，解决 Java 项…

    Java · Apache-2.0 · updated 2026-10-24

13. #13 ReactiveX/RxJava★ 48k

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

    Java · Apache-2.0 · updated 2026-10-26

14. #14 lysine-dev/retrofit★ 44k

    A type-safe HTTP client for Android and the JVM

    Java · Apache-2.0 · updated 2026-10-25

15. #15 apache/dubbo★ 42k

    The java implementation of Apache Dubbo. An RPC and microservice framework.

    Java · Apache-2.0 · updated 2026-10-26

16. #16 TeamNewPipe/NewPipe★ 40k

    A libre lightweight streaming front-end for Android.

    Java · GPL-3.0 · updated 2026-10-23

17. #17 YunaiV/ruoyi-vue-pro★ 40k

    🔥 官方推荐 🔥 RuoYi-Vue 全新 Pro 版本，优化重构所有功能。基于 Spring Boot + MyBatis Plus + Vue & Element 实现的后台管理系统 + 微信小程序，支持 RBAC 动态权限、数据权限、SaaS 多租户、Flowable 工作流、三方登录、支付、短信、商城、CRM、ERP、MES、IM、AI 大模型…

    Java · MIT · updated 2026-10-25

18. #18 halo-dev/halo★ 40k

    Halo 是一款强大易用的开源建站工具，从个人博客、知识库，到企业官网、在线商城，Halo 都能助您轻松实现，一站式满足您的多样化建站需求。

    Java · GPL-3.0 · updated 2026-10-26

19. #19 alibaba/arthas★ 38k

    Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas

    Java · Apache-2.0 · updated 2026-10-23

20. #20 keycloak/keycloak★ 38k

    Open Source Identity and Access Management For Modern Applications and Services

    Java · Apache-2.0 · updated 2026-10-26

21. #21 eugenp/tutorials★ 37k

    Getting Started with Spring Boot 3:

    Java · MIT · updated 2026-10-26

22. #22 doocs/leetcode★ 37k

    🔥LeetCode solutions in any programming language | 多种编程语言实现 LeetCode、《剑指 Offer（第 2 版）》、《程序员面试金典（第 6 版）》题解

    Java · CC-BY-SA-4.0 · updated 2026-10-26

23. #23 yuliskov/SmartTube★ 36k

    Browse media content with your own rules on Android TV

    Java · MIT · updated 2026-10-26

24. #24 netty/netty★ 35k

    Netty project - an event-driven asynchronous network application framework

    Java · Apache-2.0 · updated 2026-10-26

25. #25 bumptech/glide★ 35k

    An image loading and caching library for Android focused on smooth scrolling

    Java · updated 2026-10-23

Repository data from the public GitHub API, refreshed daily (last 2026-10-26). Not affiliated with GitHub.

Rising new Java repositories

Created in the last 90 days, sorted by stars.

1. #1 simbasjungles/free-my-tv★ 4.7k

   A fast, ad-free home screen for Google TV, LG webOS and Samsung Tizen. One button to undo.

   Java · MIT · updated 2026-10-25

2. #2 Leviidev/Husk★ 2.7k

   Run Android on iOS. Natively or Emulated.

   Java · GPL-2.0 · updated 2026-10-26

3. #3 DSH-APP/DSHA★ 2.4k

   免 ROOT 免 Termux，在手机上跑 DeepSeek Harness。完整 Ubuntu 环境 + proroot 零 ptrace 开销 · AI 输出实时上屏 · ADB 直连 · 数据不丢

   Java · MIT · updated 2026-10-26

4. #4 ZSvirt/zsvirt★ 2.0k

   Core IaaS engine and cloud infrastructure foundation of ZSvirt

   Java · GPL-3.0 · updated 2026-10-26

5. #5 diudiu-tech/delivery-harness★ 1.7k

   AI harness reference implementation for on-demand delivery workflows

   Java · MIT · updated 2026-10-22

6. #6 humblemuzzu/dumbtv★ 1.6k

   Take the ads, tracking and clutter out of your Fire TV over ADB, no root. Every step can be undone. Comes with its own open-source home screen.

   Java · updated 2026-10-25

7. #7 Ansub/tv-detox★ 1.6k

   Make an old Android TV fast again with Claude Code or Codex: a tiny ad-free home screen plus the prompt to clean it up

   Java · MIT · updated 2026-10-26

8. #8 Akshayykadam/PixelBoard★ 1.2k

   Unlock Google 11's Gemini "Rambler" Natural Voice Dictation & AI Writing Tools on ANY Android phone. No root required.

   Java · GPL-3.0 · updated 2026-10-25

9. #9 voxivoid/recipe-lab-sony-pmca★ 1.2k

   Java · GPL-3.0 · updated 2026-10-24

10. #10 blendi-remade/agentcraft★ 891

    Manage your real AI agents, using Minecraft as your interface!

    Java · MIT · updated 2026-10-08

11. #11 woaiys3/deepseek-harness-android-app★ 640

    DeepSeek Harness 手机版：可直接安装的 Android APK，AI 免 Root 操作手机（Shizuku/root 可选），文件编辑只需所有文件访问权限，前台保活 + AI 通知

    Java · MIT · updated 2026-10-18

12. #12 LordixDemon/apple_watch_connector★ 632

    Java · updated 2026-10-13

13. #13 opentrap/opentrap★ 587

    A free, open-source alternative to Burp Suite: an intercepting proxy and web app security testing suite with Repeater, Intruder, Collaborator and a built-in OWASP ZAP scanner. Lin…

    Java · AGPL-3.0 · updated 2026-10-25

14. #14 MorpheApp/PotHelper★ 523

    A simple PoToken minter written in Java

    Java · Apache-2.0 · updated 2026-10-12

15. #15 noahdunnagan/mcopt★ 506

    mcopt, a Minecraft mod: a native Metal renderer for Minecraft: Java Edition on Apple Silicon Macs (alpha)

    Java · Apache-2.0 · updated 2026-10-08

Repository data from the public GitHub API, refreshed daily (last 2026-10-26). Not affiliated with GitHub.

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