Best IoT Connectivity Products in 2026

EMQX is an open source MQTT 5.0 broker for mission-critical IoT scenarios, massively scalable and highly available clustering, running anywhere from edge to cloud.

Key EMQX features:

High Performance Scalability Protocol Support Enterprise Features

Open Source freemium

AI agents that spec, build, test, and ship code — with voice chat, deep GitHub integration, and zero LLM markup.

Key JackHamr features:

AI-Powered Music Creation Streamlined Workflow Accessibility for Non-Musicians Creative Inspiration Tool

Try for free freemium

emqtt - erlang mqtt broker.

Key emqtt features:

High Performance Scalability Extensibility Rich Feature Set

HiveMQ is the MQTT based messaging platform for fast, efficient and reliable data movement to and from connected IoT devices and enterprise systems.

Key HiveMQ features:

Scalability MQTT Support Enterprise Features Clustering

Open Source

Eclipse Mosquitto is an open source (EPL/EDL licensed) message broker that implements the MQTT protocol versions 5.0, 3.1.1 and 3.1. Mosquitto is lightweight and is suitable for use on all devices.

Key mosquitto features:

Lightweight Open Source Standards Compliant Cross-platform

Open Source

MQTTBox enables to create MQTT clients to publish or subscript topics, create MQTT virtual device...

Key MQTTBox features:

User-Friendly Interface Versatility Cross-Platform Availability Cost-Effective

An all-round MQTT client that provides a structured topic overview.

Key MQTT Explorer features:

User-Friendly Interface Real-Time Monitoring Cross-Platform Support Data Visualization

Open Source

MQTT.fx is a MQTT Client written in Java based on Eclipse Paho.

Key MQTT.fx features:

User-Friendly Interface Cross-Platform Support Robust Debugging Tools Customizable Settings

Highly scalable MQTT Broker with powerful extensions for all your IoT implementations from small to large enterprise.

Key Bevywise MQTTRoute features:

Data Management Data Visualization MQTT Dashboard MQTT Authentication

freemium $12 / Monthly (No of Connections – 25, Data Transfer/Month – 750 GB)

VerneMQ is an open source, high-performance, clusterable MQTT broker.

Key VerneMQ features:

High Availability Scalability Flexible Authentication and Authorization Support for MQTT

Open Source

MqttDesk is Cross-Platform MQTT Client developed by ioCtrl Technologies LLP.

Key MqttDesk by ioCtrl features:

Windows Linux Raspberry Pi Multiple Languages

paid Free Trial $20 / One-off (One machine Licence)

RabbitMQ is an open source message broker software.

Key RabbitMQ features:

Reliability Flexibility Advanced Features Ease of Use

Open Source

A cross-platform MQTT 5.0 desktop client open-sourced by EMQ, which can run on macOS, Linux and Windows, and supports formatting MQTT payload.

Key MQTT X features:

User-Friendly Interface Cross-Platform Support Multi-Protocol Support Open Source

Open Source free

An advanced MQTT client made for the modern age. Contribute to chocoearly44/ZapIt development by creating an account on GitHub.

Key ZapIt features:

Open Source Community Support Customization No Cost