vellum

Install command: 
brew install --cask vellum

Name: Vellum

Ebook creation software

https://vellum.pub/

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

Cask code: vellum.rb on GitHub

Current version: 3.9.3,39300

Requirements: macOS >= 12

Analytics:

Installs (30 days)
vellum 8
Installs (90 days)
vellum 31
Installs (365 days)
vellum 139