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An open source message broker that implements the MQTT protocol
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What is Mosquitto?

It is lightweight and is suitable for use on all devices from low power single board computers to full servers.. The MQTT protocol provides a lightweight method of carrying out messaging using a publish/subscribe model. This makes it suitable for Internet of Things messaging such as with low power sensors or mobile devices such as phones, embedded computers or microcontrollers.
Mosquitto is a tool in the Message Queue category of a tech stack.
Mosquitto is an open source tool with 3.8K GitHub stars and 1.3K GitHub forks. Here鈥檚 a link to Mosquitto's open source repository on GitHub

Who uses Mosquitto?

11 companies reportedly use Mosquitto in their tech stacks, including QRPoint, SCMC-CMU, and Nina.

54 developers on StackShare have stated that they use Mosquitto.
Pros of Mosquitto
Public Decisions about Mosquitto

Here are some stack decisions, common use cases and reviews by companies and developers who chose Mosquitto in their tech stack.

Derrek Long
Derrek Long
Shared insights

MQTT provides extremely lightweight method of carrying out messaging using a publish/subscribe model, making it ideal for messaging on mobile applications because of its small size, low power usage, and minimised data packets. Allows our Driver SDK to maintain connection and make API requests without being costly on resources. Mosquitto

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Mosquitto Alternatives & Comparisons

What are some alternatives to Mosquitto?
Apache ActiveMQ is fast, supports many Cross Language Clients and Protocols, comes with easy to use Enterprise Integration Patterns and many advanced features while fully supporting JMS 1.1 and J2EE 1.4. Apache ActiveMQ is released under the Apache 2.0 License.
A Node.js MQTT broker, which can be used as a Standalone Service or embedded in another Node.js application.
It is fully open source and licensed under the Apache Version 2.0. It implements both MQTT V3.1 and V3.1.1 protocol specifications, and supports MQTT-SN, CoAP, WebSocket, STOMP and SockJS at the same time.
VerneMQ is a distributed MQTT message broker, implemented in Erlang/OTP. It's open source, and Apache 2 licensed. VerneMQ implements the MQTT 3.1, 3.1.1 and 5.0 specifications.
RabbitMQ gives your applications a common platform to send and receive messages, and your messages a safe place to live until received.
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Mosquitto's Followers
99 developers follow Mosquitto to keep up with related blogs and decisions.
hafsa buji
Chi Hang Fong
taitao huang
Alex Ledenier
Marco Casado
Dennis Wulff
Devesh Tarasia
vinay singh
Marcelo Oliveira
Jon Haydock