mqtt-explorer

Install command:

brew install --cask mqtt-explorer

Name: MQTT Explorer

https://mqtt-explorer.com/

Cask JSON API: /api/cask/mqtt-explorer.json

Cask code: mqtt-explorer.rb on GitHub

Current version: 0.3.5

Current version requires: macOS >= 10.11

mqtt-explorer is built for Intel macOS and so requires Rosetta 2 to be installed.
You can install Rosetta 2 with:
softwareupdate --install-rosetta --agree-to-license
Note that it is very difficult to remove Rosetta 2 once it is installed.

Analytics:

Installs (30 days)
`mqtt-explorer`	201
Installs (90 days)
`mqtt-explorer`	595
Installs (365 days)
`mqtt-explorer`	2,499