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。

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

High Performance Inter-Thread Messaging Library

《史上最简单的Spring Cloud教程源码》

A fast dependency injector for Android and Java.

Zipkin is a distributed tracing system

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

A high performance caching library for Java

基于Spring+SpringMVC+Mybatis分布式敏捷开发系统架构，提供整套公共微服务服务模块：集中权限管理（单点登录）、内容管理、支付中心、用户管理（支持第三方登录）、微信平台、存储系统、配置中心、日志分析、任务和通知等，支持服务治理、监控和追踪，努力为中小型企业打造全方位J2EE企业级开发解决方案。

Apache Hadoop

Quarkus: Supersonic Subatomic Java.

flink learning blog. http://www.54tianzhisheng.cn/ 含 Flink 入门、概念、原理、实战、性能调优、源码解析等内容。涉及 Flink Connector、Metrics、Library、DataStream API、Table API & SQL 等内容的学习案例，还有 Flink 落地应用的大型项目案例（PVUV、日志存储、百亿数据实时去…

Vert.x is a tool-kit for building reactive applications on the JVM

Suite of tools for deploying and training deep learning models using the JVM. Highlights include model import for keras, tensorflow, and onnx/pytorch, a modular and tiny c++ library for running mat…

🏗 Build container images for your Java applications.

Apache DolphinScheduler is the modern data orchestration platform. Agile to create high performance workflow with low-code

Apache Druid: a high performance real-time analytics database.

Microservice Architecture with Spring Boot, Spring Cloud and Docker

Style and Grammar Checker for 25+ Languages

Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 11 and above, brought to you by Google.

Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)

The Java gRPC implementation. HTTP/2 based RPC

A scalable web crawler framework for Java.

A collection of source code generators for Java.

Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process …

Resilience4j is a fault tolerance library designed for Java8 and functional programming

Welcome to the AWS Code Examples Repository. This repo contains code examples used in the AWS documentation, AWS SDK Developer Guides, and more. For more information, see the Readme.md file below.

spring cloud + vue + oAuth2.0全家桶实战，前后端分离模拟商城，完整的购物流程、后端运营平台，可以实现快速搭建企业级微服务项目。支持微信登录等三方登录。

A simple expressive web framework for java. Spark has a kotlin DSL https://github.com/perwendel/spark-kotlin