Java のリポジトリ

Ghidra is a software reverse engineering (SRE) framework

Termux - a terminal emulator application for Android OS extendible by variety of packages.

Browse media content with your own rules on Android TV

A tool for reverse engineering Android apk files

Dex to Java decompiler

Open Source Identity and Access Management For Modern Applications and Services

Light, fluffy, and always free - The AWS Local Emulator alternative

🔥 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！

Orchestrate everything, everywhere. The open-source control plane for workflows across data, infrastructure, business processes and AI agents. Declarative YAML, event-driven, any language, Git-versioned, scalable to millions of executions.

A libre lightweight streaming front-end for Android.

LSPosed Framework

The automation tower defense RTS

No-root network monitor, firewall and PCAP dumper for Android

Telegram for Android source

Free universal database tool and SQL client

Fold Craft Launcher, an Android Minecraft : Java Edition launcher.

Fully featured, open source, privacy friendly email app for Android

🔥 人人可用的开源 BI 工具，数据可视化神器。An open-source BI tool alternative to Tableau.

A tool to select chunks from Minecraft worlds for deletion or export.

Cyberduck is a libre FTP, SFTP, WebDAV, Amazon S3, Backblaze B2, Microsoft Azure & OneDrive and OpenStack Swift file transfer client for Mac and Windows.

Desktop app for managing BibTeX and BibLaTeX (.bib) libraries

Desktop/Android/HTML5/iOS Java game development framework

signal-cli provides an unofficial commandline, JSON-RPC and dbus interface for the Signal messenger.

MockServer is an HTTP(S) mock server and proxy for testing that lets you mock APIs, inspect and modify live traffic, and inject failures. It supports HTTP/1.1, HTTP/2, gRPC, WebSockets, TCP and more on a single port, with additional support for HTTP/3, message brokers, and AI/LLM APIs.

An API Gateway built on Spring Framework and Spring Boot providing routing and more.

An application observability facade for the most popular observability tools. Think SLF4J, but for observability.

Ant Media Server — Ultra-low latency streaming engine with WebRTC (~0.5s), SRT, RTMP, HLS, CMAF, adaptive bitrate, transcoding & scaling

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、微信客服消息、微信企业号/企业微信消息、阿里云短信、阿里大于模板短信 、腾讯云短信、云片网短信、E-Mail、HTTP请求、钉钉、华为云短信、百度云短信、又拍云短信、七牛云短信

管伊佳ERP（原名华夏ERP）基于SpringBoot框架和SaaS模式，立志为中小企业提供开源好用的ERP软件，目前专注进销存+财务功能。主要模块有零售管理、采购管理、销售管理、仓库管理、财务管理、报表查询、系统管理等。支持预付款、收入支出、仓库调拨、组装拆卸、订单等特色功能。拥有库存状况、出入库统计等报表。同时对角色和权限进行了细致全面控制，精确到每个按钮和菜单。

H2 is an embeddable RDBMS written in Java.

Design patterns implemented in Java

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。

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

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Free and Open Source, Distributed, RESTful Search Engine

All Algorithms implemented in Java

Spring Framework

Google core libraries for Java

【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。

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

A type-safe HTTP client for Android and the JVM

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

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。

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

Getting Started with Spring Boot 3:

🔥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

Netty project - an event-driven asynchronous network application framework

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

A browser automation framework and ecosystem.

ZXing ("Zebra Crossing") barcode scanning library for Java, Android