Secure remote Web and SSH access to embedded systems behind a firewall, NAT or mobile network router.
Cost / License
- Paid
- Open Source
Platforms
- Mac
- Windows
- Linux
Switzerland

Apps similar to sish include Fossorial Pangolin, which is open source with a free version. Other options are tunnl.gg, Serveo, ngrok and wireport. You're spoiled for choice with Localhost Tunnel Services like sish: we list more than 25 alternatives for Linux, Mac, Windows, self-hosting and Android.
Secure remote Web and SSH access to embedded systems behind a firewall, NAT or mobile network router.

Expose localhost to the internet. Features custom domains, SSL, HTTP basic auth and firewall for IP / CIDR restrictions. No download required.




OpenXpress is a robust and versatile platform offering Docker container hosting with a range of features designed to simplify and enhance your web application deployment.



An open-source, single-binary CLI tool to expose local ports to public URLs via LocalTunnel, Cloudflare, or a self-hosted server with zero signup.
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Local tunneling made easy. Instantly and easily share your local web server on the Internet with a public URL via SSH tunneling — zero installation, no signup, instant setup, and seamless operation behind NAT or firewall.


Expose localhost to the internet Get a public HTTPS URL for your local dev server. No signup, no config, no tracking. Just one command.


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 -




Configure port forwarding on your gateway through the NAT-PMP protocol.



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.




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.