mirrordisplays (disabled)

Install command: 
brew install --cask mirrordisplays

Name: Mirror Displays

https://fabiancanas.com/open-source/mirror-displays

Development: Pull requests

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

Cask code: mirrordisplays.rb on GitHub

Current version: 1.2

Requirements: macOS >= 10.15

Analytics:

Installs (30 days)
mirrordisplays 6
Installs (90 days)
mirrordisplays 24
Installs (365 days)
mirrordisplays 89