sigil

Install command: 
brew install --cask sigil

Name: Sigil

EPUB ebook editor

https://sigil-ebook.com/

/api/cask/sigil.json (JSON API)

Cask code on GitHub

Current version: 2.3.1

Requires: macOS >= 11

Variations:

Intel sequoia 2.3.1
sonoma 2.3.1
ventura 2.3.1
monterey 2.3.1
big sur 2.3.1

Analytics:

Installs (30 days)
sigil 68
Installs (90 days)
sigil 230
Installs (365 days)
sigil 888
Fork me on GitHub