What does Pangolin replace?

Pangolin is a free alternative to ngrok ($96/yr).

Is Pangolin open source?

Yes. Pangolin is licensed under AGPL-3.0 + Fossorial Commercial files, an OSI-approved open-source license.

Yes (self-hosted server; web UI).

Yes. Pangolin is a server app you run on your own server, and its repository includes Docker files.

A free, open-source alternative to ngrok. Switching saves $96/yr at list price.

Checked Oct 17, 2026 · How we check

Self-hosted server

Open source · AGPL-3.0 + Fossorial Commercial files Linux Self-hostable

fosrl/pangolin23.1k★last push Oct 12, 2026checked Oct 17, 2026

Self-host

Runs on your own Linux server, with Docker files in the repo. Setup docs are on pangolin.net.

What does Pangolin replace?: Pangolin is a free alternative to ngrok ($96/yr).
Is Pangolin open source?: Yes. Pangolin is licensed under AGPL-3.0 + Fossorial Commercial files, an OSI-approved open-source license.
Does Pangolin run on Linux?: Yes (self-hosted server; web UI).
Can you self-host Pangolin?: Yes. Pangolin is a server app you run on your own server, and its repository includes Docker files.