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

Free and Open Source, Distributed, RESTful Search Engine

Spring Framework

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

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

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

Mirror of Apache Kafka

🍬A set of tools that keep Java sweet.

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

阿里巴巴 MySQL binlog 增量订阅&消费组件

Spring Cloud Alibaba provides a one-stop solution for application development for the distributed solutions of Alibaba middleware.

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

APM, Application Performance Monitoring System

Redisson - Valkey & Redis Java client. Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Over 50 Valkey and Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queue,…

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)

Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.

JDK main-line development https://openjdk.org/projects/jdk

Empowering Data Intelligence with Distributed SQL for Sharding, Scalability, and Security Across All Databases.

MyBatis SQL mapper framework for Java

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。

High Performance Inter-Thread Messaging Library

Zipkin is a distributed tracing system

🚌 The IK Analysis plugin integrates Lucene IK analyzer into Elasticsearch and OpenSearch, support customized dictionary.

An powerful enhanced toolkit of MyBatis for simplify development

Graphs for Everyone

Most popular Mocking framework for unit tests written in Java

Quarkus: Supersonic Subatomic Java.