Mosquitto MQTT Broker
An open source message broker that implements the MQTT protocol versions 5.0, 3.1.1, and 3.1. Includes all functionality provided by the open source release including SSL/TLS support, bridging, client authentication, and access controls.
Mosquitto is an open source MQTT broker that provides a lightweight method of carrying out messaging using a publish/subscribe model. It is suitable for "machine to machine" messaging such as with low power sensors or mobile devices such as phones, embedded computers or microcontrollers.
Eclipse Public License