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frp
Open SourceSelf-hostableExpose local servers to the internet on your own terms.
4.6107K starsAlternative to ngrok
Overview
frp is a free, open-source tool and a self-hostable alternative to ngrok. It's licensed under Apache 2.0 and written in Go.
frp is a fast reverse proxy that lets you expose a local server sitting behind a NAT or firewall to the internet, using a relay server you control. With TCP, UDP, HTTP, and HTTPS support plus custom domains and P2P mode, it replaces ngrok without bandwidth caps or per-domain pricing.
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Why pick frp over ngrok
- Own your data instead of trusting ngrok's servers
- No per-seat pricing — grow without ballooning costs
- frp is open source: audit it, fork it, extend it
- Self-host for full privacy and compliance control
Key features
- TCP, UDP, HTTP, and HTTPS tunnels with domain-based routing
- Custom domains and subdomains for exposed services
- P2P mode (xtcp) for direct client-to-client connections
- Token and OIDC authentication with TLS encryption
- Load balancing, health checks, and web dashboards
Pros & cons
Screenshots
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Installation
Run the server on a machine with a public IP
./frps -c ./frps.tomlRun the client on your local machine
./frpc -c ./frpc.tomlFrequently asked questions
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