ultimate

Install command: 
brew install --cask ultimate

Name: Epubor Ultimate

Convert and remove DRM on eBooks

https://www.epubor.com/

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

Cask code: ultimate.rb on GitHub

Current version: 3.0.16.371

Current version requires: macOS >= 10.11

Analytics:

Installs (30 days)
ultimate 5
Installs (90 days)
ultimate 15
Installs (365 days)
ultimate 70
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