Free and open-source OpenVPN client
To manually install Tunnelblick with Homebrew, use the following command:
Current version of Tunnelblick.app: 4.0.1,5971
ARM: https://tunnelblick.net/iprelease/Tunnelblick__build_.dmg
Intel: https://tunnelblick.net/iprelease/Tunnelblick__build_.dmg
Website: https://www.tunnelblick.net/