What are some alternatives?
When comparing Pagekite and Serveo, you can also consider the following products
ngrok - ngrok enables secure introspectable tunnels to localhost webhook development tool and debugging tool.
Portmap.io - Expose your local PC to Internet from behind firewall and without real IP address
LocalXpose - Bye Bye Localhost, Hello World!
sish - An open source serveo/ngrok alternative. HTTP(S)/WS(S)/TCP Tunnels to localhost using only SSH.
VPSSIM - VPSSIM provides installer enabling users to install LEMP stack on their servers.
Forward - The easiest way to share localhost over the web.