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: 2.2.1

Requires: macOS >= 10.12

Variations:

Intel sequoia 2.2.1
sonoma 2.2.1
ventura 2.2.1
monterey 2.2.1
big sur 2.2.1
catalina 2.2.1
mojave 2.2.1
high sierra 2.2.1
sierra 2.2.1

Analytics:

Installs (30 days)
sigil 73
Installs (90 days)
sigil 218
Installs (365 days)
sigil 859
Fork me on GitHub