blurscreen

Install command: 
brew install --cask blurscreen

Name: BlurScreen

Blur any part of your screen

https://www.blurscreen.app/

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

Cask code: blurscreen.rb on GitHub

Current version: 1.0

Requirements: macOS >= 10.15

Analytics:

Installs (30 days)
blurscreen 10
Installs (90 days)
blurscreen 11
Installs (365 days)
blurscreen 28