Brilliant list. I always wondered how many commercial VPN providers use code from these. I suspect setting up the VPN is easy enough, but coding the billing backend might be trickier.
Yes, it works quite well - For an example setup, this is my setup script [0] to bootstrap a digital ocean droplet + launch an openvpn container using this image [1]
Using openvpn with deluge in UnRaid as a container - runs flawlessly, and not leaking (re: data out of the VPN) as verified by firewall logs for 3 months now.