protonvpn

Install command: 
brew install --cask protonvpn

Name: ProtonVPN

VPN client focusing on security

https://protonvpn.com/

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

Cask code: protonvpn.rb on GitHub

Current version: 5.1.0

Current version requires: macOS >= 13

Analytics:

Installs (30 days)
protonvpn 1,373
Installs (90 days)
protonvpn 3,934
Installs (365 days)
protonvpn 13,579