the open source movement

Replace ngrok.

8 open source alternatives, ranked by health. We re-check every project weekly, so you don’t migrate to something abandoned.

Ranked by health

  1. frpReverse proxy that exposes local services behind NAT or firewalls through your own public server.★ 110k Apache-2.0 Go self-host
  2. ratholeLightweight reverse proxy that exposes services behind NAT through your own public server.★ 14k Apache-2.0 Rust self-host
  3. sishSelf-hosted server that exposes local HTTP(S), WebSocket and TCP services through SSH tunnels.★ 4.7k MIT Go self-host
  4. zrokShares local web services, files and TCP/UDP ports publicly or privately over a zero-trust network.★ 4.7k Apache-2.0 Go self-host managed
  5. ExposeTunneling service for sharing local sites publicly, self-hosted or via the hosted expose.dev.★ 4.6k MIT PHP self-host managed
  6. pgrokSelf-hosted multi-tenant HTTP/TCP reverse tunnel server using SSH port forwarding with SSO.★ 3.6k MIT Go self-host
  7. PortrSelf-hosted tunnel server and client that exposes local HTTP, TCP or WebSocket services publicly, with an admin dashboard.★ 3.2k AGPL-3.0 Go self-host
  8. TunnelmoleCommand-line client that gives local servers a public HTTPS URL via a hosted or self-hosted tunnel service.★ 1.9k MIT TypeScript self-host managed
How the ranking works

Health blends commit recency, release cadence, issue throughput, contributor breadth and star growth. Stars are shown but never ranked on. The full method.