diecknet

While Netbird is generally just one of the many alternatives to Tailscale, they also do have a Reverse Proxy feature that allows access without a Netbird client. Haven’t tested it yet, seems to be in beta.

https://docs.netbird.io/manage/reverse-proxy

https://nja.la/

You mentioned that you can’t ping the remote VM. Have you checked if the remote VMs IP is reachable? Is it in the ARP table? Check with arp -a