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Leaderboard for 4 October 2026

The biggest Java projects on GitHub, the ones gaining stars fastest right now, and the same leaderboard a year ago. We have recorded it every day since December 2018.

Most starred today

  1. 1 krahets/hello-algo 《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 131k +100 / 7d
  2. 2 iluwatar/java-design-patterns Design patterns implemented in Java 95k +25 / 7d
  3. 3 Stirling-Tools/Stirling-PDF #1 PDF Application on GitHub that lets you edit PDFs on any device anywhere 94k +470 / 7d
  4. 4 macrozheng/mall mall项目是一套电商系统，包括前台商城系统及后台管理系统，基于Spring Boot+MyBatis实现，采用Docker容器化部署。 前台商城系统包含首页门户、商品推荐、商品搜索、商品展示、购物车、订单流程、会员中心、客户服务、帮助中心等模块。 后台管理系统包含商品管理、订单管理、会员管理、促销管理、运营管理、内容管理、统计报表、财务管理、权限管理、设置等模块。 85k +23 / 7d
  5. 5 spring-projects/spring-boot Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss. 82k +36 / 7d
  6. 6 NationalSecurityAgency/ghidra Ghidra is a software reverse engineering (SRE) framework 80k +736 / 7d
  7. 7 doocs/advanced-java 😮 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 79k +9 / 7d
  8. 8 elastic/elasticsearch Free and Open Source, Distributed, RESTful Search Engine 78k +181 / 7d
  9. 9 MisterBooo/LeetCodeAnimation Demonstrate all the questions on LeetCode in the form of animation.（用动画的形式呈现解LeetCode题目的思路,完整单步/回看/变速/语音讲解在 algomooc.com） 77k +1 / 7d
  10. 10 TheAlgorithms/Java All Algorithms implemented in Java 66k +22 / 7d
  11. 11 kdn251/interviews Everything you need to know to get the job. 65k +3 / 7d
  12. 12 termux/termux-app Termux - a terminal emulator application for Android OS extendible by variety of packages. 62k +422 / 7d
  13. 13 spring-projects/spring-framework Spring Framework 60k +10 / 7d
  14. 14 dbeaver/dbeaver Free universal database tool and SQL client 52k +64 / 7d
  15. 15 google/guava Google core libraries for Java 52k +5 / 7d
  16. 16 skylot/jadx Dex to Java decompiler 51k +98 / 7d
  17. 17 ReactiveX/RxJava RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM. 48k
  18. 18 jeecgboot/JeecgBoot 【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 项目 90% 重复工作，提高效率又不失灵活。 48k +101 / 7d
  19. 19 lysine-dev/retrofit A type-safe HTTP client for Android and the JVM 44k
  20. 20 ashishps1/awesome-system-design-resources Learn System Design concepts and prepare for interviews using free resources. 42k +167 / 7d
  21. 21 apache/dubbo The java implementation of Apache Dubbo. An RPC and microservice framework. 42k
  22. 22 halo-dev/halo 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。 40k +27 / 7d
  23. 23 TeamNewPipe/NewPipe A libre lightweight streaming front-end for Android. 40k +70 / 7d
  24. 24 YunaiV/ruoyi-vue-pro 🔥 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、IoT 物联网等功能。你的 ⭐️ Star ⭐️，是作者生发的动力！ 40k +82 / 7d
  25. 25 alibaba/arthas Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas 38k +10 / 7d

Climbing fastest this week

A different population from the leaderboard above. These are ranked by stars gained, so a project going from 200 to 2,000 shows up here and can never appear on a top-100 list by total stars.

  1. 1 kestra-io/kestra Event Driven Orchestration & Scheduling Platform for Mission Critical Applications +632 29k total
  2. 2 Stirling-Tools/Stirling-PDF #1 PDF Application on GitHub that lets you edit PDFs on any device anywhere +533 94k total
  3. 3 elastic/elasticsearch Free and Open Source, Distributed, RESTful Search Engine +220 78k total
  4. 4 keycloak/keycloak Open Source Identity and Access Management For Modern Applications and Services +125 37k total
  5. 5 questdb/questdb QuestDB is a high performance, open-source, time-series database +71 17k total
  6. 6 kunal-kushwaha/DSA-Bootcamp-Java This repository consists of the code samples, assignments, and notes for the Java data structures & algorithms + interview preparation bootcamp of WeMakeDevs. +65 24k total
  7. 7 FCL-Team/FoldCraftLauncher Fold Craft Launcher, an Android Minecraft : Java Edition launcher. +51 4.8k total
  8. 8 shmykelsa/AAAD The original application for downloading and installing apps made specifically for Android Auto outside of Google Play Store. Active since 2021. +35 3.0k total
  9. 9 GeyserMC/Geyser A bridge/proxy allowing you to connect to Minecraft: Java Edition servers with Minecraft: Bedrock Edition. +32 5.9k total
  10. 10 MCRcortex/voxy An LoD rendering mod for minecraft +26 1.3k total

A year ago today

The same leaderboard on 4 October 2025. 2 of today's top ten were not in it.

  1. 1 Snailclimb/JavaGuide 152k
  2. 2 krahets/hello-algo 117k
  3. 3 GrowingGit/GitHub-Chinese-Top-Charts 103k
  4. 4 iluwatar/java-design-patterns 93k
  5. 5 macrozheng/mall 82k
  6. 6 spring-projects/spring-boot 79k
  7. 7 doocs/advanced-java 78k
  8. 8 MisterBooo/LeetCodeAnimation 76k
  9. 9 elastic/elasticsearch 75k
  10. 10 Stirling-Tools/Stirling-PDF 68k

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