The most scalable and reliable MQTT broker for AI, IoT, IIoT and connected vehicles

• UpdatedDec 17, 2025
• Erlang

The MQTT client for Node.js and the browser

• UpdatedDec 3, 2025
• TypeScript

Open source platform for iot , 6 min Quick Deployment,10M devices connection,Carrier level Stability;物联网开源平台,6分钟快速部署,千万级承载,电信级稳定性. Low code for Object model-Rule Engine-Data Channel-Configuration Page; Fully open source, Multi industrial protocols are compatible.物模型-规则引擎-数据通道-组态页面全流程零代码开发、全业务全链路模拟压测、前后端完全开源、多行业工业协议兼容。QQ群:346566935

• UpdatedApr 10, 2025
• Erlang

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 fromhttp://mqtt.org/.

• UpdatedDec 7, 2025
• C#

High performance, distributed and low latency publish-subscribe platform.

• UpdatedMar 13, 2025
• Go

An ultra-lightweight and blazing-fast Messaging Broker/Bus for IoT Edge & SDV

• UpdatedDec 16, 2025
• C

Open-source IoT Gateway - integrates devices connected to legacy and third-party systems with ThingsBoard IoT Platform using Modbus, CAN bus, BACnet, BLE, OPC-UA, MQTT, ODBC and REST protocols

• UpdatedDec 10, 2025
• Python

Barebone MQTT broker that can run on any stream server, the node way

• UpdatedDec 17, 2025
• JavaScript

The fully compliant, embeddable high-performance Go MQTT v5 server for IoT, smarthome, and pubsub

• UpdatedApr 16, 2025
• Go

100% open-source IoT Platform - Integrate your devices, create rules, and analyse and visualise your data

• UpdatedDec 17, 2025
• Java

New generation of cloud-native and AI-native messaging infrastructure.

• UpdatedDec 17, 2025
• Rust

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

• UpdatedDec 13, 2025
• Java

TouchSocket is an integrated .NET networking framework that includes modules for socket, TCP, UDP, SSL, named pipes, HTTP, WebSocket, RPC, and more. It offers a one-stop solution for TCP packet issues and enables quick implementation of custom data message parsing using protocol templates.

• UpdatedDec 13, 2025
• C#

A lightweight, high-performance go mqtt server(v3.0|v3.1.1|v5.0) supporting distributed cluster

• UpdatedDec 1, 2025
• Go

Gmqtt is a flexible, high-performance MQTT broker library that fully implements the MQTT protocol V3.x and V5 in golang

• UpdatedNov 19, 2025
• Go

开源 MQTT 服务器(基于reactor-netty实现高性能的、可扩展、支持千万级设备接入集群）支持 mqtt 3.1.1、mqtt 5等协议

• UpdatedApr 9, 2023
• Java

MQTT client/broker using Python asynchronous I/O

• UpdatedJul 24, 2022
• Python

Apache BifroMQ (Incubating) is a high-performance, distributed MQTT broker that natively supports multi-tenancy. It is designed to enable the building of large-scale IoT device connectivity and messaging systems.

• UpdatedDec 17, 2025
• Java

Open-source, fault-tolerant MQTT message broker engineered for massive scalability and high-performance routing. It delivers millions of messages per second with very low latency, while efficiently managing millions of concurrent client connections to power your most demanding IoT and enterprise applications.

• UpdatedDec 17, 2025
• Java

信也科技MQ消息系统

• UpdatedDec 16, 2022
• Java