[celere]

ngrok.com (freemium) or https://github.com/mmatczuk/go-http-tunnel (open source, needs some afford, very fast and easy configurable)

btw. @op go-http-tunnel would provides you with great base for a "branded" ngrok like client for your users.

[asadlionpk]

Thanks for the link. I have been planning on doing this since most people don’t keep their machines with public IP.