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: 2.5.2

Current version requires: macOS >= 11

Versions:

Intel tahoe 2.5.2
sequoia 2.5.2
sonoma 2.5.2
ventura 2.5.2
monterey 2.5.2
big sur 2.5.2

Analytics:

Installs (30 days)
sigil 123
Installs (90 days)
sigil 287
Installs (365 days)
sigil 1,053
Fork me on GitHub