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.
Qomui - Qomui (Qt OpenVPN Management UI) is an easy-to-use OpenVPN/WireGuard gui for GNU/Linux with some...
fruho - fruho is an open-source, zero-configuration VPN manager.
Tunnelblick - free software for OpenVPN on OS X and macOS
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.