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: 4.0.1,40100

Requirements: macOS >= 13

Analytics:

Installs (30 days)
vellum 14
Installs (90 days)
vellum 35
Installs (365 days)
vellum 145