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

U2F USB token optimized for physical security, affordability, and style

Solo 1 firmware in C

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

WebAuthn (FIDO2) server library written in Go

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

Zero trust system

Pluggable Authentication Module (PAM) for U2F and FIDO2

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

Server-side Web Authentication library for Java https://www.w3.org/TR/webauthn/#rp-operations

FIDO2 (WebAuthn) and FIDO U2F platform library for Linux written in Rust

A tool to detect when your YubiKey is waiting for a touch (to send notification or display a visual indicator on the screen)

FIDO-U2F / FIDO2 / Webauthn Framework

Core implementations of an open-source secure key

u2f token firmware for stm32f103 and efm32hg boards

A tiny ARM microprocessor which fits in your USB port.

DEPRECATED Krypton turns your iOS device into a WebAuthn/U2F Authenticator: strong, unphishable 2FA.

Provides Okta authentication for awscli

U2F security token emulator written in Rust

Rust library to interact with Security Keys, used by Firefox

WebAuthn (Passkeys) library for .NET.

An Open-Source FIDO U2F implementation on nRF52 SoC

Django-mfa (Multi Factor Authentication) is a simple package to add extra layer of security to your django web application. It gives web app a randomly changing password as an extra protection and supports u2f too

Passkey credential provider for hardware security keys

Create a FIDO2/U2F token using ESP32

🗝️ Background program that skips the phone pairing option and chooses the USB security key in Windows FIDO/WebAuthn prompts.

Short term certificate based identity system (ssh/x509 ca + openidc)

🔒 WP-WebAuthn allows you to safely login to your WordPress site without password.

Decrypt your LUKS partition using a FIDO2 compatible authenticator

DEPRECATED A Browser extension that lets you use your phone as a U2F/WebAuthN Authenticator for strong, unphishable 2FA.