SSealbook
Sealbook / Open source / Java

Top Java projects on GitHub

3,851 Java repositories with 1,000+ stars, ranked by stars.

RepositoryStarsLanguageLicenseActivity
1krahets/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★ 130.8kJavaOtherActive
2iluwatar/java-design-patternsDesign patterns implemented in Java★ 94.8kJavaOtherActive
3NationalSecurityAgency/ghidraGhidra is a software reverse engineering (SRE) framework★ 90.7kJavaApache-2.0Active
4macrozheng/mallmall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★ 84.9kJavaApache-2.0Active
5spring-projects/spring-bootSpring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.★ 81.7kJavaApache-2.0Active
6doocs/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★ 79.2kJavaCC-BY-SA-4.0Active
7elastic/elasticsearchFree and Open Source, Distributed, RESTful Search Engine★ 78.3kJavaOtherActive
8MisterBooo/LeetCodeAnimationDemonstrate 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）★ 76.7kJava—Slowing
9TheAlgorithms/JavaAll Algorithms implemented in Java★ 66.4kJavaMITActive
10kdn251/interviewsEverything you need to know to get the job.★ 65.3kJavaMITStale
11termux/termux-appTermux - a terminal emulator application for Android OS extendible by variety of packages.★ 62.9kJavaOtherActive
12spring-projects/spring-frameworkSpring Framework★ 60.3kJavaApache-2.0Active
13dbeaver/dbeaverFree universal database tool and SQL client★ 52.1kJavaApache-2.0Active
14google/guavaGoogle core libraries for Java★ 51.9kJavaApache-2.0Active
15skylot/jadxDex to Java decompiler★ 51.1kJavaApache-2.0Active
16jeecgboot/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 → ★ 48.2kJavaApache-2.0Active
17ReactiveX/RxJavaRxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the ★ 48.2kJavaApache-2.0Active
18lysine-dev/retrofitA type-safe HTTP client for Android and the JVM★ 43.9kJavaApache-2.0Active
19ashishps1/awesome-system-design-resourcesLearn System Design concepts and prepare for interviews using free resources.★ 42.5kJavaGPL-3.0Slowing
20apache/dubboThe java implementation of Apache Dubbo. An RPC and microservice framework.★ 41.6kJavaApache-2.0Active
21TeamNewPipe/NewPipeA libre lightweight streaming front-end for Android.★ 40.2kJavaGPL-3.0Active
22halo-dev/haloHalo 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。★ 39.9kJavaGPL-3.0Active
23YunaiV/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★ 39.9kJavaMITActive
24alibaba/arthasAlibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas★ 37.6kJavaApache-2.0Active
25keycloak/keycloakOpen Source Identity and Access Management For Modern Applications and Services★ 37.4kJavaApache-2.0Active
26eugenp/tutorialsGetting Started with Spring Boot 3: ★ 37.3kJavaMITActive
27doocs/leetcode🔥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★ 36.7kJavaCC-BY-SA-4.0Active
28geekxh/hello-algorithm🌍 针对小白的算法训练 | 包括四部分：①.大厂面经 ②.力扣图解 ③.千本开源电子书 ④.百张技术思维导图（项目花了上百小时，希望可以点 star 支持，🌹感谢~）推荐免费ChatGPT使用网站★ 36.1kJava—Stale
29airbnb/lottie-androidRender After Effects animations natively on Android and iOS, Web, and React Native★ 35.8kJavaApache-2.0Slowing
30yuliskov/SmartTubeBrowse media content with your own rules on Android TV★ 35.1kJavaMITActive
31netty/nettyNetty project - an event-driven asynchronous network application framework★ 35.1kJavaApache-2.0Active
32bumptech/glideAn image loading and caching library for Android focused on smooth scrolling★ 35kJavaOtherActive
33SeleniumHQ/seleniumA browser automation framework and ecosystem.★ 34.6kJavaApache-2.0Active
34zxing/zxingZXing ("Zebra Crossing") barcode scanning library for Java, Android★ 34.2kJavaApache-2.0Active
35xkcoding/spring-boot-demo🚀一个用来深入学习并实战 Spring Boot 的项目。★ 34.1kJavaMITStale
36apache/kafkaApache Kafka - A distributed event streaming platform★ 34kJavaApache-2.0Active
37Blankj/AndroidUtilCode:fire: Android developers should collect the following utils(updating).★ 33.6kJavaApache-2.0Stale
38alibaba/easyexcel快速、简洁、解决大文件内存溢出的java处理Excel工具★ 33.6kJavaApache-2.0Archived
39alibaba/nacosan easy-to-use dynamic service discovery, configuration and service management platform for building AI cloud native applications.★ 33.5kJavaApache-2.0Active
40binarywang/WxJava微信开发 Java SDK ，支持包括微信支付，开放平台，小程序，企业微信，视频号，公众号等的后端开发★ 33.2kJavaApache-2.0Active
41conductor-oss/conductorConductor is an event driven agentic workflow engine providing durable and highly resilient execution engine for applications and AI Agents★ 32.3kJavaApache-2.0Active
42xuxueli/xxl-jobA distributed task scheduling framework.（分布式任务调度平台XXL-JOB）★ 30.6kJavaGPL-3.0Active
43ityouknow/spring-boot-examplesabout learning Spring Boot via examples. Spring Boot 教程、技术栈示例代码，快速简单上手教程。 ★ 30.5kJava—Stale
44chinabugotech/hutool🍬A set of tools that keep Java sweet.★ 30.2kJavaMulanPSL-2.0Active
45DrKLO/TelegramTelegram for Android source★ 30.1kJavaGPL-2.0Active
46kestra-io/kestraEvent Driven Orchestration & Scheduling Platform for Mission Critical Applications★ 29.8kJavaApache-2.0Active
47apolloconfig/apolloApollo is a reliable configuration management system suitable for microservice configuration management scenarios.★ 29.8kJavaApache-2.0Active
48opendataloader-project/opendataloader-pdfPDF Parser for AI-ready data. Automate PDF accessibility. Open-source.★ 29.7kJavaApache-2.0Active
49alibaba/canal阿里巴巴 MySQL binlog 增量订阅&消费组件 ★ 29.7kJavaApache-2.0Active
50Anuken/MindustryThe automation tower defense RTS★ 29.4kJavaGPL-3.0Active