80 Open Source Message Bus Software Projects

High-Performance server for NATS.io, the cloud and edge native messaging system.

Distributed transaction solution in micro-service base on eventually consistency, also an eventbus with Outbox pattern

Fancy stream processing made operationally mundane

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。

Message Queue, Job Queue, Broadcasting, WebSockets packages for PHP, Symfony, Laravel, Magento. DEVELOPMENT REPOSITORY - provided by Forma-Pro

:bus: Simple and lean service bus implementation for .NET

Pluggable foundation blocks for building distributed apps.

An n:m message multiplexer written in Go

A modern .NET framework for communication over RabbitMq

Vue.js agnostic library for non-blocking notifications

:surfer: Traceable, extendable and minimalist **event bus** implementation for Elixir with built-in **event store** and **event watcher** based on ETS.

A swiss army knife CLI tool for interacting with Kafka, RabbitMQ and other messaging systems.

Simple service bus for sending events between processes using amqp.

[READ ONLY] Generic classes and interfaces for messages and message buses. Full documentation can be found here:

The official C# Client for NATS

VOLTTRON Distributed Control System Platform

[READ-ONLY] Message queue bundle for Symfony. RabbitMQ, Amazon SQS, Redis, Service bus, Async events, RPC over MQ and a lot more

A C client for NATS

A PHP client for the NATSio cloud messaging system.

Best practice for hangfire samples

A MessageBus (CommandBus, EventBus and QueryBus) implementation in PHP7

Federated Messaging with ZeroMQ

🔊Minimalist message bus implementation for internal communication with zero-allocation magic on Emit

工业互联网平台微服务云架构

Get statistics and locations of bicycle stations through REST API

Go simple async message bus

Collection of useful patterns

JavaScript pub/sub library based on RxJS

MQ is a simple distributed in-memory message broker

:twisted_rightwards_arrows: FluentMediator is an unobtrusive library that allows developers to build custom pipelines for Commands, Queries and Events.

An in-process simple publish/subscribe library for golang

Lightweight message bus interface for .NET (pub/sub and request-response) with transport plugins for popular message brokers.

:incoming_envelope: A fast Message/Event Hub using publish/subscribe pattern with support for topics like* rabbitMQ exchanges for Go applications

A tiny wrapper around NSQ topic and channel :rocket:

Single repository for go-nats example code. This includes all documentation examples and any common message pattern examples.

💬 Publish-Subscribe (a.k.a Pub/Sub, EventBus) library for Android and JVM built with Coroutines

Lightweight messaging wrapper of MassTransit

A light-weight message bus on top of AWS services (SNS and SQS).

Library for creating DotNet Web Worker threads/multithreading in Client side Blazor

PowerShell module to send and receive messages from a RabbitMq server

Foundatio Samples

신경 - Cloud-native messaging/pubsub with powerful routing

Silverback is a simple but feature-rich message bus for .NET core (it currently supports Kafka, RabbitMQ and MQTT).

A Grails plugin that provides convenient RabbitMQ functionality using the native Java library for RabbitMQ.

gRPC message-oriented middleware on top of message-bus, event ingestion and delivery system.

Telephone-ts: The "Event Emitter-less" TypeScript Event Architecture.

Full Cycle Mining Controller - a workflow message bus microservice architecture for bitcoin mining

Message bus and queue for Mezzio with Symfony Messenger + Enqueue

Multi-Server - MQTT broker, KissB enabled, and more !

Easy to use Bus, ressources friendly and super-easy inter-thread communication capabilities

RxJS-based message bus service for Angular.

A simple and eloquent workflow for streaming messages to micro-services.

A Go package implementing a topic-based publish-subscribe system using channels.

A thin library around Reactive Extensions to simplify writing evented applications in C#.

DBus library in Python 3

:bus: Convenient event configuration extensions for Rebus

The magic message bus

A simple message bus implemented with SQL Server 2008+ and SQL Service Broker with no other dependencies.

RxJS-based message bus service for Angular2

message-hub, 消息枢纽中心

A tiny wrapper around https://github.com/Shopify/sarama topic and consumer 🚌

Frizzle for Apache Kafka

Concurrent command / event bus in Go

A generic and responsible communication transporter(iframe/Broadcast/Web Worker/Service Worker/Shared Worker/Browser Extension/WebRTC/Electron, etc.)

.NET inter process broadcast message bus with supporting classes

EventMesh is a dynamic event-driven application runtime used to decouple the application and backend middleware layer, which supports a wide range of use cases that encompass complex multi-cloud, widely distributed topologies using diverse technology stacks.

OpenSleigh is a Saga management library for .NET Core.

DeFiBus is a decentralized finacial message bus for microservices, provide request/reply, unicast, multi-cast, broadcast, delay-message etc, and also privide service governance capacity and operation tools.

Embedded decentralized message bus

MicroBootstrap is a framework with many features for quickly and conveniently creating microservices on .NET Core.

.NET Microservice Reference Application. It's also an over-engineered burger shop!

Pub/Sub library for C

High-performance Messaging System based on a gRPC protocol

🐰 Framework to use RabbitMQ as RPC

A message bus implementation with the functionality of sending commands/events to remote processes by using RabbitMQ.

PHP Component to deal with message in Redis 📄

MQTT Server/MQTT Broker - Scalable Distributed MQTT Message Broker for IoT in the 5G Era

easymqtt4j , netty +mqtt +subscriber+ publisher +broker+cluster server for java

Oracle messaging backplane for scaling out of SignalR applications

NATS client in pure Crystal with JetStream support