drawpile

Install command: 
brew install --cask drawpile

Name: Drawpile

Collaborative drawing app

https://drawpile.net/

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

Cask code on GitHub

Current version: 2.1.20

Analytics:

Installs (30 days)
drawpile 3
Installs (90 days)
drawpile 7
Installs (365 days)
drawpile 18
Fork me on GitHub