shottr

Install command: 
brew install --cask shottr

Name: Shottr

Screenshot measurement and annotation tool

https://shottr.cc/

Development: Pull requests

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

Cask code: shottr.rb on GitHub

Current version: 1.9.1

Requirements: macOS >=

Analytics:

Installs (30 days)
shottr 2,700
Installs (90 days)
shottr 7,202
Installs (365 days)
shottr 20,719