u2f

The Single Sign-On Multi-Factor portal for web apps

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

WebAuthn (FIDO2) server library written in Go

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

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

Pluggable Authentication Module (PAM) for U2F and FIDO2

Zero trust system

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

A tiny ARM microprocessor which fits in your USB port.

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

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

A portable Java library for WebAuthn and Apple App Attest server side verification

u2f token firmware for stm32f103 and efm32hg boards

Provides Okta authentication for awscli

FIDO2 (WebAuthn) and FIDO U2F platform library for Linux written in Rust; includes a proposal for a new D-Bus Portal interface for FIDO2, accessible from Flatpak apps and Snaps 🔑

U2F security token emulator written in Rust

Rust library to interact with Security Keys, used by Firefox