pencil

Install command: 
brew install --cask pencil

Names: Pencil, The Pencil Project

GUI prototyping tool

https://pencil.evolus.vn/

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

Cask code: pencil.rb on GitHub

Current version: 3.1.1

Current version requires: macOS >= 10.11

Analytics:

Installs (30 days)
pencil 35
Installs (90 days)
pencil 108
Installs (365 days)
pencil 518
Fork me on GitHub