ipe

Install command: 
brew install --cask ipe

Name: Ipe

Drawing editor for creating figures in PDF format

https://ipe.otfried.org/

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

Cask code: ipe.rb on GitHub

Current version: 7.2.29

Requirements: macOS >= 10.15

Versions:

Intel tahoe 7.2.29
sequoia 7.2.29
sonoma 7.2.29
ventura 7.2.29
monterey 7.2.29
big sur 7.2.29
catalina 7.2.29

Analytics:

Installs (30 days)
ipe 38
Installs (90 days)
ipe 113
Installs (365 days)
ipe 495