mqttfx

Install command: 
brew install --cask mqttfx

Name: MQTT.fx

IoT route testing tool

https://www.softblade.de/

/api/cask/mqttfx.json (JSON API)

Cask code on GitHub

Current version: 5.8.0

Variations:

Intel sequoia 5.8.0
sonoma 5.8.0
ventura 5.8.0
monterey 5.8.0
big sur 5.8.0
catalina 5.8.0
mojave 5.8.0
high sierra 5.8.0
sierra 5.8.0
el capitan 5.8.0

Analytics:

Installs (30 days)
mqttfx 13
Installs (90 days)
mqttfx 47
Installs (365 days)
mqttfx 213
Fork me on GitHub