ZITADEL - Identity infrastructure, simplified for you.

Modern authentication, on your terms. Open source alternative to Auth0, Clerk, WorkOS, Stytch.

🔐 multi factor authentication system (2FA, MFA, OTP, FIDO Server)

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

FIDO Passkey for Raspberry Pico and ESP32

Passkeys, FIDO2 and WebAuhtn .NET library.

Pythonic WebAuthn 🐍

👤 Identity and Access Management knowledge for cloud platforms

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

WebAuthn (FIDO2) server library written in Go

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

🔐 A curated list of awesome WebAuthn and Passkey resources

Provides library functionality for FIDO 2.0, including communication with a device over USB.

A simple PHP WebAuthn (FIDO2/Passkey) server library

FIDO2 Conformant WebAuthn and Passkey backend library for golang

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

Single Sign-On Identity & Access Management via OpenID Connect, OAuth 2, PAM

Open-Source, Small and Low-Cost Wireless Dongle based on the nRF52840 Multiprotocol SoC, featuring Bluetooth Low Energy, Bluetooth mesh, Thread, Zigbee and 2.4 GHz, and Multi-Tool Device for IoT