Eclipse Mosquitto is an open-source message broker that implements the MQTT protocol versions 5.0, 3.1.1, and 3.1. It is designed to be lightweight and is suitable for use on all devices from low-power single-board computers to full servers. Mosquitto is a key project under the Eclipse Foundation, providing a reliable and portable messaging solution for the Internet of Things.
Brand Authority Index (BAI): 88/100
Archetype: Challenger
Category: Software
https://optimly.ai/brand/mosquitto
Last analyzed: April 10, 2026
Founded: 2009
Headquarters: Global / Distributed (Eclipse Foundation based in Ottawa, Canada)