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QMQ是去哪儿网内部广泛使用的消息中间件，自2012年诞生以来在去哪儿网所有业务场景中广泛的应用，包括跟交易息息相关的订单场景； 也包括报价搜索等高吞吐量场景。

a fast and simple distributed publish-subscribe messaging system (mq)

Event-Driven Architecture Based on Blockchain.基于区块链的事件驱动架构

信也科技MQ消息系统

A lightweight distributed message queue framework.(分布式消息队列XXL-MQ)

AMQP on Pulsar protocol handler

Pafka is originated from the OpenAIOS project to leverage an optimized tiered storage access strategy to improve overall performance for streaming/messaging system.

乐檬框架之rabbitMQ的解耦实现方式（基于springboot框架），利用ConfirmCallback确保消息安全发送至broker服务器，使用Ack/Nack手动确认消息处理状态，保证broker消息被正确消费

📨 Zola (Extremely) Simple Message Queue for spring, It is the simplest Message Queue you've ever experienced.

A lightweight message queue for Java that requires no dedicated queue server. Just a Redis server.

hanboDB is a high available,low latency memory database system

Distributed Message Queue based on Raft

由java构建的轻量级消息队列，支持订阅和点对点模式

The simplest way to implement a task queue with Java, Vertx and PostgreSQL.

Java client library for KubeMQ server

Real-time message streaming over a Hazelcast in-memory data grid

The sample code the book "Kafka: The Definitive Guide (Gwen Shapira, Neha Narkhede, and Todd Palino)" and the personal study note of Apache Kafka.

Extension that can be used to receive events from a Kafka cluster and to publish events to a Kafka cluster

第四届阿里中间件性能挑战赛复赛-JAVA-第21名