What are some alternatives?
When comparing inlets and ngrok, you can also consider the following products
localhost.run - Instantly share your localhost environment!
Pagekite - Bring your localhost servers on-line.
LocalXpose - Bye Bye Localhost, Hello World!
Portmap.io - Expose your local PC to Internet from behind firewall and without real IP address
Serveo - Use SSH to expose local servers over the internet and inspect and replay HTTP traffic.
Yaler - Secure remote Web and SSH access to embedded systems behind a firewall, NAT or mobile network...