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

Development: Pull requests

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 437
Installs (90 days)
knockknock 1,317
Installs (365 days)
knockknock 4,003