I will let you know when I'm fully free to see that later today in a few hours or so.
The reason is... Cost. Open Source solutions currently lack stuff like user management, timeout, auto validation via clients' email/password etc.
If you know of an open source solution that does functions like the above for WireGuard gateway, that would be great.
Trying to start a small VPN business for side income. Thought of putting my networking knowledge to use hahaha...