drivethrurpg

Install command: 
brew install --cask drivethrurpg

Name: DriveThruRPG Library App

Sync DriveThruRPG libraries to compatible devices

https://www.drivethrurpg.com/library_client.php

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

Cask code on GitHub

Current version: 3.4.6

Requires: macOS >= 10.15

drivethrurpg is built for Intel macOS and so requires Rosetta 2 to be installed.
You can install Rosetta 2 with:
    softwareupdate --install-rosetta --agree-to-license
Note that it is very difficult to remove Rosetta 2 once it is installed.

Analytics:

Installs (30 days)
drivethrurpg 7
Installs (90 days)
drivethrurpg 17
Installs (365 days)
drivethrurpg 62
Fork me on GitHub