sigil

Install command: 
brew install --cask sigil

Name: Sigil

EPUB ebook editor

https://sigil-ebook.com/

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

Cask code: sigil.rb on GitHub

Current version: 2.6.0

Requirements: macOS >= 11

Versions:

Intel tahoe 2.6.0
sequoia 2.6.0
sonoma 2.6.0
ventura 2.6.0
monterey 2.6.0
big sur 2.6.0

Analytics:

Installs (30 days)
sigil 78
Installs (90 days)
sigil 273
Installs (365 days)
sigil 1,081