Apps similar to Seawise.io include Fossorial Pangolin, which is open source with a free version. Other options are ngrok, Cloudflare Tunnel, Portal - Open Relay and DockFlare. You can choose from more than 10 Localhost Tunnel Services like Seawise.io for Linux, Mac, Windows, self-hosting and the web.
Open-source platform enabling secure, seamless remote access via WireGuard tunnels with identity-based controls, a unified dashboard for monitoring and configuration, automatic SSL management, granular policy enforcement, and exposure of private resources behind firewalls.
United States
ngrok exposes local servers behind NATs and firewalls to the public internet over secure tunnels.
United States
Cloudflare Tunnel provides you with a secure way to connect your resources to Cloudflare without a publicly routable IP address.
United States
Portal is self-hosted tunneling relay exposing localhost services through public subdomains, ngrok alternative.
DockFlare streamlines Cloudflare Tunnel and Zero Trust Access policy management by leveraging Docker labels for automated configuration and a comprehensive web UI for manual service definition and policy overrides for any rule.
Switzerland
GhostlyShare is a lightweight developer tool for Windows and Linux that makes local web apps publicly accessible in seconds.
Austria
EU
NSL is a free, open-source tunneling service that gives any Docker host a public HTTPS subdomain with automatic TLS, requiring no static IP, no port forwarding, and no DNS configuration.
FranceEU
Self-hosted HTTPS tunnels expose local services and receive webhooks through your infrastructure, with OIDC SSO, deny-by-default policies, user attribution and JSON audit logs. A cross-platform CLI supports request inspection and replay for local webhook debugging.
United States
Expose localhost to the internet Get a public HTTPS URL for your local dev server. No signup, no config, no tracking. Just one command.
Norway
rstream is a European developer-first platform for secure, zero-trust connectivity. It exposes local, private, and legacy services through outbound-only tunnels, without opening inbound ports or deploying a VPN.
FranceEU
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.
South Korea
