freeplane

Install command: 
brew install --cask freeplane

Name: Freeplane

Mind mapping and knowledge management software

https://docs.freeplane.org/

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

Cask code: freeplane.rb on GitHub

Current version: 1.12.14

Requirements: macOS >= 10.15

Versions:

Intel tahoe 1.12.14
sequoia 1.12.14
sonoma 1.12.14
ventura 1.12.14
monterey 1.12.14
big sur 1.12.14
catalina 1.12.14

Analytics:

Installs (30 days)
freeplane 127
Installs (90 days)
freeplane 340
Installs (365 days)
freeplane 1,287