IoT Connectivity

mosquitto

Mosquitto is an open-source message broker that implements the MQTT protocol.

VerneMQ

VerneMQ is a high-performance, distributed MQTT message broker.

MQTTBox

MQTTBox is a cross-platform MQTT client that allows you to easily set up and manage MQTT connections for testing IoT devices and applications.

Bevywise MQTTRoute

Bevywise MQTTRoute is a high-performance MQTT broker that supports MQTT 3.1/3.1.1/5.0 and is designed for IoT and M2M applications.

emqtt

emqtt is an open-source MQTT broker that is scalable and reliable for IoT applications.

HiveMQ

HiveMQ is a MQTT-based messaging platform for fast, reliable, and scalable IoT applications.

MQTT Explorer

MQTT Explorer is a comprehensive MQTT client that provides a structured overview of your MQTT topics and allows you to publish and subscribe to topics.

MQTT.fx

MQTT.fx is a graphical MQTT client written in Java that allows you to publish and subscribe to MQTT messages.

MqttDesk by ioCtrl

ZapIt

MQTT X

Pro Edition for Eclipse Mosquitto