Nebula is another option along these lines. https://nebula.defined.net/docs/ https://nebula.defined.net/docs/ I've been using it for the better part of a year

Nebula is another option along these lines. https://nebula.defined.net/docs/ https://nebula.defined.net/docs/ I've been using it for the better part of a year and am very happy with it. It is able to make point-to-point network connections in many situations, avoiding the out-and-back cost of VPN ingress/egress points that are far away from source and dest.