MQTT.fx Alternatives
MQTT.fx is described as 'aims to be an quick and easy to use desktop tool for MQTT debugging and testing' and is an app. There are three alternatives to MQTT.fx for a variety of platforms, including Linux, Windows, Mac, Online / Web-based and Self-Hosted solutions. The best alternative is MQTT Explorer, which is both free and Open Source. Other great apps like MQTT.fx are MQTTBox and ZapIt.
An all-round MQTT client that provides a structured topic overview.
MQTTBox enables to create MQTT clients to publish or subscript topics, create MQTT virtual device networks, load test MQTT devices or brokers and much more.
An advanced MQTT client made for the modern age. It allows you to connect to multiple MQTT brokers and displays messages in a clean, user-friendly way. Users are able to store servers in multiple workspaces.