openaudible

Install command: 
brew install --cask openaudible

Name: OpenAudible

Audiobook manager for Audible users

https://openaudible.org/

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

Cask code: openaudible.rb on GitHub

Current version: 4.6.3

Requirements: macOS >= 10.11

Analytics:

Installs (30 days)
openaudible 51
Installs (90 days)
openaudible 173
Installs (365 days)
openaudible 707