piphero

Install command: 
brew install --cask piphero

Name: PiPHero

Menu bar app to picture-in-picture any window

https://piphero.app/

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

Cask code: piphero.rb on GitHub

Current version: 1.2.0

Requirements: macOS >= 10.15

Versions:

Intel tahoe 1.2.0
sequoia 1.2.0
sonoma 1.2.0
ventura 1.2.0
monterey 1.2.0
big sur 1.2.0
catalina 1.2.0

Analytics:

Installs (30 days)
piphero 47
Installs (90 days)
piphero 80
Installs (365 days)
piphero 315