ngrok rocks, but it’s 2nd version is famously closed source*, so many open source alternatives have been developed over the years. So many, in fact, that they now have their own awesome list.

The purpose of this list is to track and compare tunneling solutions. This is primarily targeted toward self-hosters and developers who want to do things like exposing a local webserver via a public domain name, with automatic HTTPS, even if behind a NAT or other restricted network.

*We spoke with Alan Shreve about this decision back when he made it, if you’re curious about his thinking.