Py_webauthn

Judgement

What it is

Building block

What it does

A Python library from Duo for the server side of WebAuthn registration and authentication.

Adopt it when

You add passkey login to a Python web app.

Ready for

Production-ready

Runs as

Library

Built with

Python

How established

Established: started 9 years ago, latest release v3.0.1.

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: Py_webauthn → CPython → GCC → LLVM project → runs on a microchip

How compilers were built, back to punched paper tape

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