Stars
Java 面试 & 后端通用面试指南，覆盖计算机基础、数据库、分布式、高并发、系统设计与 AI 应用开发
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
Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas
Open Source Identity and Access Management For Modern Applications and Services
an easy-to-use dynamic service discovery, configuration and service management platform for building AI cloud native applications.
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
Event bus for Android and Java that simplifies communication between Activities, Fragments, Threads, Services, etc. Less code, better quality.
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)
光 HikariCP・A solid, high-performance, JDBC connection pool at last.
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。
A high performance caching library for Java
Vert.x is a tool-kit for building reactive applications on the JVM
Admin UI for administration of spring boot applications
The Java gRPC implementation. HTTP/2 based RPC
Apereo CAS - Identity & Single Sign On for all earthlings and beyond.
Resilience4j is a fault tolerance library designed for Java8 and functional programming
Flyway by Redgate • Database Migrations Made Easy.
📌 a missing Java std lib(simple & 0-dependency) for framework/middleware, provide an enhanced InheritableThreadLocal that transmits values between threads even using thread pooling components.