Availability: at GitHub
Type: broker MQTT
Implementation difficulties: low
Eclipse Mosquitto provides a broker MQTT ideal for low power linux servers like Raspberri Pi or in the field Mac/Windows. Has one natural predisposition for use in home automation, as the proMQTT tocollo is widely used by sensors, from actuators / devices as well as from many other components.
Its performance and its "lightness" (about 3Mb of absorption RAM with 1000 connected clients) make it ideal for the domotic environment.
For installation and configuration by Eclipse Mosquitto on Raspberry Pi, we recommend to read this guide of ours.
For installation and configuration su Windows, we recommend to read our other guide.