dockdoor

Install command: 
brew install --cask dockdoor

Name: DockDoor

Window peeking utility app

https://dockdoor.net/

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

Cask code: dockdoor.rb on GitHub

Current version: 1.8

Current version requires: macOS >= 13

Analytics:

Installs (30 days)
dockdoor 407
Installs (90 days)
dockdoor 1,439
Installs (365 days)
dockdoor 4,834
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