Portal - Open Relay is described as 'Portal is self-hosted tunneling relay exposing localhost services through public subdomains, ngrok alternative' and is an app. There are four alternatives to Portal - Open Relay for a variety of platforms, including Mac, Windows, Linux, Android and iPhone apps. The best Portal - Open Relay alternative is Tailscale, which is free. Other great apps like Portal - Open Relay are ngrok, Nostr VPN and Cloudflare Tunnel.
Private networks made easy. Connect all your devices using WireGuard, without the hassle. Tailscale makes it as easy as installing an app and signing in.
ngrok exposes local servers behind NATs and firewalls to the public internet over secure tunnels.
Private mesh VPN built on a FIPS-backed data plane, supporting invite-only trusted networks, device and peer approvals, MagicDNS, route advertisement, QR onboarding, Umbrel integration, desktop and mobile shells, WireGuard egress, and Docker coverage.
Cloudflare Tunnel provides you with a secure way to connect your resources to Cloudflare without a publicly routable IP address.
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