OvenVPN

An OpenVPN configuration file can be added via the project settings. After selecting the project, you can establish a connection by setting the project to “Local” and pressing the connection button. 

Requirement:

OpenVPN GUI at least version 10.50.0.0.
A parallel installation next to e.g. “OpenVPN Connect” is possible.

See - https://openvpn.net/community-downloads/