electronmail

Install command: 
brew install --cask electronmail

Name: ElectronMail

Unofficial ProtonMail Desktop App

https://github.com/vladimiry/ElectronMail

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

Cask code on GitHub

Current version: 5.3.0

Requires: macOS >= 10.15

Variations:

Intel sequoia 5.3.0
sonoma 5.3.0
ventura 5.3.0
monterey 5.3.0
big sur 5.3.0
catalina 5.3.0

Analytics:

Installs (30 days)
electronmail 5
Installs (90 days)
electronmail 18
Installs (365 days)
electronmail 68
Fork me on GitHub