pixel-check (deprecated)

Install command: 
brew install --cask pixel-check

Name: PiXel Check

Check your monitor for dead pixels

http://macguitar.me/apps/pixelcheck/

Cask JSON API: /api/cask/pixel-check.json

Cask code: pixel-check.rb on GitHub

Current version: 1.3

Current version requires: macOS >= 10.11

pixel-check is built for Intel macOS and so requires Rosetta 2 to be installed.
You can install Rosetta 2 with:
    softwareupdate --install-rosetta --agree-to-license
Note that it is very difficult to remove Rosetta 2 once it is installed.

Analytics:

Installs (30 days)
pixel-check 3
Installs (90 days)
pixel-check 7
Installs (365 days)
pixel-check 45