fido2

ZITADEL - Identity infrastructure, simplified for you.

Privacy-first Customer Identity and Access Management (CIAM) for modern apps. Open source alternative to Auth0, Cognito, Clerk, Descope, Stytch.

OpenSK is an open-source implementation for security keys written in Rust that supports both FIDO U2F and FIDO2 standards.

Solo 1 firmware in C

Directory Services Internals (DSInternals) PowerShell Module and Framework

🔐 A curated list of awesome WebAuthn and Passkey resources

FIDO2 .NET library for FIDO2 / WebAuthn Attestation and Assertion using .NET

FIDO2 Conformant WebAuthn and Passkey backend library for golang

WebAuthn (FIDO2) server library written in Go

Python library and command line tool for configuring any YubiKey over all USB interfaces.

Pythonic WebAuthn 🐍

🔏 A small WebAuthn API wrapper that translates to/from pure JSON using base64url.

Single Sign-On Identity & Access Management via OpenID Connect, OAuth 2.0 and PAM

WebAuthn ruby server library ― Make your Ruby/Rails web server become a conformant WebAuthn Relying Party

FIDO Passkey for Raspberry Pico and ESP32

Provides library functionality for FIDO2, including communication with a device over USB or NFC.

Pluggable Authentication Module (PAM) for U2F and FIDO2

FIDO2(WebAuthn) server officially certified by FIDO Alliance and Relying Party examples.

A simple PHP WebAuthn (FIDO2/Passkey) server library

A portable Java library for WebAuthn(Passkeys) server side verification