「Java学习+面试指南」一份涵盖大部分 Java 程序员所需要掌握的核心知识。准备 Java 面试，首选 JavaGuide！

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

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

🔥 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、AI 大模型等功能。你的 ⭐️ Star ⭐️，是作者生发的动力！

an easy-to-use dynamic service discovery, configuration and service management platform for building AI cloud native applications.

🍬A set of tools that keep Java sweet.

Apollo is a reliable configuration management system suitable for microservice configuration management scenarios.

A distributed task scheduling framework.（分布式任务调度平台XXL-JOB）

🔥 Seata is an easy-to-use, high-performance, open source distributed transaction solution.

🔥🔥🔥AI-driven database tool and SQL client, The hottest GUI client, supporting MySQL, Oracle, PostgreSQL, DB2, SQL Server, DB2, SQLite, H2, ClickHouse, and more.

APM, Application Performance Monitoring System

A powerful flow control component enabling reliability, resilience and monitoring for microservices. (面向云原生微服务的高可用流控防护组件)

CAT 作为服务端项目基础组件，提供了 Java, C/C++, Node.js, Python, Go 等多语言客户端，已经在美团点评的基础架构中间件框架（MVC框架，RPC框架，数据库框架，缓存框架等，消息队列，配置系统等）深度集成，为美团点评各业务线提供系统丰富的性能指标、健康状况、实时告警等。

DataX是阿里云DataWorks数据集成的开源版本。

Very spicy additions to the Java programming language.

🥤 COLA: Clean Object-oriented & Layered Architecture

Agentic AI Framework for Java Developers

BTrace - a safe, dynamic tracing tool for the Java platform

JSqlParser parses an SQL statement and translate it into a hierarchy of Java classes. The generated hierarchy can be navigated using the Visitor Pattern

Alibaba Dragonwell8 JDK

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案

Plugin Framework for Java (PF4J)

Dozer is a Java Bean to Java Bean mapper that recursively copies data from one object to another.

A distributed single-sign-on framework.（单点登录框架XXL-SSO）

FastDFS java client SDK

轻量级DDD正向/逆向业务建模框架，支撑复杂业务系统的架构演化！

Based on blockchain (fabric) agricultural product traceability platform

An implementation of HMM-Viterbi Algorithm 通用的维特比算法实现

A Java Bean to Java Bean mapper that recursively copies data from one object to another

OpenJSSE: A JSSE provider that supports TLS 1.3 on Java SE 8