ngrok is described as 'Exposes local servers behind NATs and firewalls to the public internet over secure tunnels' and is a localhost tunnel service in the network & admin category. There are more than 50 alternatives to ngrok for a variety of platforms, including Linux, Mac, Windows, Self-Hosted and Web-based apps. The best ngrok alternative is Serveo, which is free. Other great apps like ngrok are Tailscale, ZeroTier, NetBird and WG Tunnel.
Transforms terminal applications into web interfaces for remote execution, supporting multiple operating systems, with HTTP and HTTPS protocols, customization options, ideal for command-line education, system administrators, and developers valuing lightweight, open-source solutions.
CRProxy is a service and command line tool that allow you to serve web content from your local machine, or behind any firewall.
Dataplicity is a remote terminal for your Pi. It offers functionality similar to SSH, but it doesn't need any complex set-up to get it working behind firewalls and NAT.
You can run a flask application on port 80 and use wormhole as a webhook.
Dataplicity is just for accessing ssh to a pi from anywhere. Ngrok can expose local servers like web servers
Some users think Dataplicity is a great ngrok alternative, some don't.
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.
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.
Create public URLs for local sites through any firewall and VPN. Receive webhooks on your machine, test local sites on mobile devices or share them with others.
Build a mock Rest API endpoint in seconds. Helps you in UI development, Webhooks, simulating delays, simulating exceptions and server errors, performance test, etc.
Self-hosted ingress proxy & VPN tunnel. Securely exposes private local & Docker-based services to the Internet, with free, automatically renewable SSL certificates and docker container hostname resolution.
LocalCan™ is an alternative to Ngrok, designed for developers. It allows creating Public URLs with the option for custom domains, making it easier to share projects with clients or stakeholders, test webhooks, and integrate OAuth. LocalCan™ also supports the publication of .
Openport is an easy and secure reverse SSH. Forward any port, keep track of your machines, share files. Openport builds a tunnel from your machine to the outside world, so your friends can connect to your services or files directly. Don't worry about firewalls, DNS or FTP.
tmate is an instant terminal sharing software fork from tmux. Tmate can use as daemon, and you also can host your own server.
Fast, secure tunnels to your internal networks. Webhook Relay allows you to expose your localhost or any other server in private network to the public internet without configuring port forwarding or firewalls.
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Gotty is a completely different service to ngrok