List of ngrok alternatives and other ngrok-like tunneling software and services. Focus on self-hosting.
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Apparently out TCP-over-TCP isn't an issue for SSH tunnels (https://en.wikipedia.org/wiki/Tunneling_protocol#Secure_Shell_tunneling) Once that was removed the section didn't serve much purpose. |
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README.md |
The purpose of this list is to track and compare tunneling solutions. This is primarily targeting toward developers and self-hosters who want to do things like exposing a local webserver via a public address.
The dream
I started this list because I'm looking for a simple tool/service that does the following:
- Allows me to register a domain name and set the records to point it at the server.
- Automatically sets up HTTPS (apex and wildcard) for the domain.
- Provides a client tool that tunnels TCP connects through the server without requiring root on the client.
- Provides a web interface to allow me to map X domain/subdomain to Y port on Z client, and proxy all connections to that domain.
So far I haven't found it.
The list
Open source
- frp - Seems to be a pretty comprehensive open alternative to ngrok.
- ngrok 1.0 - Original version of ngrok. No longer developed in favor of the commercial 2.0 version.
- localtunnel - Written in node. Popular suggestion.
- inlets - Open source ngrok alternative. Has pro option.
- sshuttle - Open source project originally from one of the founders of Tailscale. Server doesn't require root; client does. Explicitly designed to avoid TCP-over-TCP issues.
- chisel - Another HTTPS+SSH option.
- expose - ngrok alternative written in PHP.
- teleconsole - SSH-based, but uses special client script. Focused on forwarding SSH console sessions, but can also forward ports.
- go-http-tunnel - Uses a single HTTP/2 connection for muxing. Need to manually generate certs for server and clients.
- sish - Open source ngrok/serveo alternative. SSH-based but uses a custom server written in Go. Supports WebSocket tunneling.
- PageKite - Comprehensive open source solution with hosted options.
- slt - Open source TLS proxy from the creator of ngrok. Supports SNI.
- tunneller - Open source. Written in Go.
- jprq - Another home-grown Golang solution. Proxies over WebSockets.
- docker-tunnel - Simple Docker-based nginx+SSH solution.
- holepunch.io - Has nice hosted solution. Uses SSH for muxing.
- tnnlink - SSH-based. Golang. Not maintained.
- StaqLab Tunnel - SSH-based. Client is open source. Server doesn't appear to be.
- Telebit - Written in JS. Code.
Commerical/Closed source
- ngrok 2.0 - Probably the gold standard and most popular. Closed source. Lots of features, including TLS and TCP tunnels. Doesn't require root to run client.
- CloudFlare Argo Tunnel - $5/mo + $0.1/GB. Integrates with Argo smart routing. Client source code is available.
- serveo - Mentioned quite a bit the last couple years, but appears to be down currently. Simply uses SSH for tunneling.
- Tailscale - Built on WireGuard. Closed source. Easy to use. Doesn't include an HTTPS proxy on the public side, but could be combined with nginx/Caddy/etc.
Blog posts
- Roll your own Ngrok with Nginx, Letsencrypt, and SSH reverse tunnelling
- Poor man's ngrok with tcp proxy and ssh reverse tunnel
- How I built Ngrok Alternative (jprq)