robofont

Install command: 
brew install --cask robofont

Name: RoboFont

Font editor

https://robofont.com/

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

Cask code: robofont.rb on GitHub

Current version: 4.5,2410282152

Requirements: macOS >= 10.12

Analytics:

Installs (30 days)
robofont 2
Installs (90 days)
robofont 19
Installs (365 days)
robofont 76