nip.io and xip.io even could be used, but that won't help if there's no static ip. of course you can portforward your ip via vpn or ssh tunnel. And that's woul

nip.io and xip.io even could be used, but that won't help if there's no static ip. of course you can portforward your ip via vpn or ssh tunnel. And that's would be the exact equivalent of ngrok, but with way more time and frustration to set it up.