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A machine-to-machine Internet of Things connectivity protocol
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What is MQTT?

It was designed as an extremely lightweight publish/subscribe messaging transport. It is useful for connections with remote locations where a small code footprint is required and/or network bandwidth is at a premium.
MQTT is a tool in the Message Queue category of a tech stack.

Who uses MQTT?

70 companies reportedly use MQTT in their tech stacks, including doubleSlash, MAK IT, and GAPO.

319 developers on StackShare have stated that they use MQTT.

MQTT Integrations

TimescaleDB, StreamSets, JSON-RPC, Huginn, and Apache APISIX are some of the popular tools that integrate with MQTT. Here's a list of all 9 tools that integrate with MQTT.
Pros of MQTT
Varying levels of Quality of Service to fit a range of
Very easy to configure and use with open source tools
Lightweight with a relatively small data footprint
Decisions about MQTT

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

Reza Saadat
IoT Solutions Architect at GreenEdge · | 5 upvotes · 28.8K views
Shared insights

I want to use NATS for my IoT Platform and replace it instead of the MQTT broker. is there any preferred added value to do that?

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Kindly suggest the best tool for generating 10Mn+ concurrent user load. The tool must support MQTT traffic, REST API, support to interfaces such as Kafka, websockets, persistence HTTP connection, auth type support to assess the support /coverage.

The tool can be integrated into CI pipelines like Azure Pipelines, GitHub, and Jenkins.

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MQTT Alternatives & Comparisons

What are some alternatives to MQTT?
RabbitMQ gives your applications a common platform to send and receive messages, and your messages a safe place to live until received.
An architectural style for developing web services. A distributed system framework that uses Web protocols and technologies.
It is a set of open technologies for instant messaging, presence, multi-party chat, voice and video calls, collaboration, lightweight middleware, content syndication, and generalized routing of XML data.
Google Cloud Messaging
Google Cloud Messaging (GCM) is a free service that enables developers to send messages between servers and client apps. This includes downstream messages from servers to client apps, and upstream messages from client apps to servers.
Kafka is a distributed, partitioned, replicated commit log service. It provides the functionality of a messaging system, but with a unique design.
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MQTT's Followers
476 developers follow MQTT to keep up with related blogs and decisions.