pixelsnap

Install command: 
brew install --cask pixelsnap

Name: PixelSnap

Screen measuring tool

https://getpixelsnap.com/

/api/cask/pixelsnap.json (JSON API)

Cask code on GitHub

Current version: 2.5.1

Analytics:

Installs (30 days)
pixelsnap 23
Installs (90 days)
pixelsnap 87
Installs (365 days)
pixelsnap 251
Fork me on GitHub