knockknock

Install command: 
brew install --cask knockknock

Name: KnockKnock

Tool to show what is persistently installed on the computer

https://objective-see.org/products/knockknock.html

Cask JSON API: /api/cask/knockknock.json

Cask code: knockknock.rb on GitHub

Current version: 4.0.3

Requirements: macOS >= 10.15

Analytics:

Installs (30 days)
knockknock 533
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knockknock 1,111
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knockknock 3,838