broker

The most scalable open-source MQTT broker for IoT, IIoT, and connected vehicles

Eclipse Mosquitto - An open source MQTT broker

Robust, Ubiquitous and Massively Scalable Messaging Platform (XMPP, MQTT, SIP Server)

Algorithmic trading and quantitative trading open source platform to develop trading robots (stock markets, forex, crypto, bitcoins, and options).

MQTTnet is a high performance .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker). The implementation is based on the documentation from http://mqtt.org/.

A distributed MQTT message broker based on Erlang/OTP. Built for high quality & Industrial use cases.

Java MQTT lightweight broker

Crossbar.io - WAMP application router

Xinfra Monitor monitors the availability of Kafka clusters by producing synthetic workloads using end-to-end pipelines to obtain derived vital statistics - E2E latency, service produce/consume availability, offsets commit availability & latency, message loss rate and more.

High performance mqtt broker

High-Performance MQTT Server

HiveMQ CE is a Java-based open source MQTT broker that fully supports MQTT 3.x and MQTT 5. It is the foundation of the HiveMQ Enterprise Connectivity and Messaging Platform

Mirror of Apache ActiveMQ Artemis

Alibaba RSocket Broker: Mesh, Streaming & IoT

An ultra-lightweight and blazing-fast MQTT broker for IoT edge

IoTSharp is an open-source IoT platform for data collection, processing, visualization, and device management.

Unofficial APIs for Webull.

A simple high-performance Redis message queue for Node.js.

信也科技MQ消息系统

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