Open Passkey – open-source passkey auth with free "backendless" host

In plain words

Open Passkey is an MIT-licensed, open-source authentication library supporting 33 languages and frameworks, designed to simplify adding passkey-based login to projects. It includes code examples for quick integration. The project also offers Gateway, a free hosted authentication server that allows developers to deploy frontend applications without backend infrastructure, making it suitable for smaller projects built with React, Angular, or deployed on CDNs like Netlify.

written from the facts on this page · September 2026

From the sources

Open Passkey is an MIT licensed passkey repo with a FREE "backendless" auth server that means you can deploy with zero config. Support for 6 languages and 26 frameworks, with batteries included. Open Passkey prioritizes post-quantum algos though they are not supported by browsers yet.

Post-quantum passkeys for servers and clients. Contribute to locke-inc/open-passkey development by creating an account on GitHub.

In the maker’s words, at launch

I, like Andrej Karpathy, became super frustrated by how annoying it was to deploy projects that were previously an absolute joy to make with Claude Code. That is why I made open-passkey, an MIT licensed passkey repo with support for 33 languages and frameworks (examples included) that makes adding simple secure auth…

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