Mosquitto is an open-source message broker that implements the MQTT protocol, commonly used for IoT applications and lightweight machine-to-machine communication.. There are currently 6 open-source alternatives to Mosquitto, with a combined total of 4.3k GitHub stars. The most common language among these projects is Go.
Showing 6 open-source alternatives
A fully compliant, embeddable high-performance MQTT v5 and v3.1.1 broker/server written in Go for IoT and pub/sub applications.
A lightweight, high-performance, embeddable MQTT broker server written in Go, supporting distributed clusters and MQTT v3.0, v3.1.1, and v5.0.
A scalable, distributed MQTT broker written in Rust, designed for high-concurrency IoT and M2M applications.
A REST and MQTT gateway for HomeMatic CCU home automation systems, enabling secure access and integration of third-party devices.
An extensible pub/sub messaging server for edge applications that delegates authentication and business logic to external modulators.
An MQTT broker for Node-RED based on Aedes, eliminating the need for an external broker.
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