Apps similar to zrok include OpenVPN Connect, which is open source with a free version. Other options are WireGuard, Tailscale, Rayfish and NetBird. There's no shortage of Localhost Tunnel Services like zrok, with more than 50 alternatives for Linux, Windows, Mac, Android and self-hosting.
Chisel is a fast TCP/UDP tunnel, transported over HTTP, secured via SSH. Single executable including both client and server. Written in Go (golang). Chisel is mainly useful for passing through firewalls, though it can also be used to provide a secure endpoint into your network.
Loophole allows you to make your Web application public without actually deploying on a cloud service. It providess a user-friendly domain that you can share with your remote users/friends/teammates to try/use your WebApp.
Btunnel gives you power to expose an http app running in localhost, helps you to share your local filesystem as well as any TCP app to the internet. Some of the features of btunnel are -
Assist is a service for remote teams letting users instantly share their terminals from anywhere.
UltraHook is a simple command line tool that connects public endpoints to private endpoints accessible from your computer.
Connects devices behind firewalls or NAT with outbound-only agents for local access to remote services using encrypted tunnels. Enables use of SSH, RDP, VNC, web interfaces, or USB-over-IP without port forwarding or VPN. Supports multiple OS, roles, access control, and live tunnel monitoring.
Expose localhost to the internet Get a public HTTPS URL for your local dev server. No signup, no config, no tracking. Just one command.
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