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: 3.1.0

Current version requires: macOS >= 10.15

Analytics:

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knockknock 285
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knockknock 858
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knockknock 3,212
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