The best alternatives to tunnelto.dev are cotunnel, Expose, and Panic. If these 3 options don't work for you, we've listed a few more alternatives below.
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You can connect to your device's terminal and local webservers from everywhere using Cotunnel. You don't need static IP, DDNS, or another service anymore. Cotunnel creates a subdomain for your device and you can expose your local web servers to the world.
Expose is a beautiful, open-source, tunnel application that allows you to share your local websites with others via the internet. Since you can host the server yourself, you have full control over the domains that your shared sites will be available at.
AstroRelay is a Secure Tunnel For Remote Accessing Your Devices. A solution that lets you create public URIs to access your local resources, 4G LTE networks and behind NAT! Supporting remote SSH, remote Raspberry Pi, remote desktop, etc. Try Now For FREE!