OpenVPN Manager - OpenVPN Manager is a tool which controls OpenVPN.
Firezone - Firezone is a remote access platform that’s painless to deploy, easy to manage, and built on WireGuard® to be blazing fast. Best of all it's self-hosted and open-source.
Tunnelblick - free software for OpenVPN on OS X and macOS
fruho - fruho is an open-source, zero-configuration VPN manager.
Viscosity - Viscosity is a VPN client for Mac OS X and Windows.
Sidestep - Sidestep sits quietly in the background, protecting your security and privacy as you browse the web.