Yubico

Yubico Authenticator for Desktop (Windows, macOS and Linux) and Android

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

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

Yubico Pluggable Authentication Module (PAM)

Pluggable Authentication Module (PAM) for U2F and FIDO2

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

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

Command line tool for the YubiKey PIV application

Yubico Universal 2nd Factor (U2F) Host C Library

YubiKey Personalization cross-platform library and tool

(OBSOLETE) U2F library in PHP

Python based U2F server library

Yubico Authenticator for Android

Cross-platform application for configuring any YubiKey over all USB interfaces.

Yubico Mobile iOS SDK - YubiKit

Python code to talk to YubiKeys

OpenPGP applet for the YubiKey NEO

YubiKey Personalization GUI

Yubico Mobile Android SDK - YubiKit

A YubiKey SDK for .NET developers

(OBSOLETE) Java server-side library for U2F

YubiKey OTP validation server in PHP

PHP class for Yubico authentication

yubihsm-shell and libyubihsm

YubiKey C low-level library (libyubikey)

Yubico Universal 2nd Factor (U2F) Server C Library

Yubico C client library

Yubico Authenticator for iOS

Python based U2F Validation Server

Asynchronous delegated key generation without shared secrets (DRAFT)

Python code for YubiHSM

Client library for verifying YubiKey one-time passwords (OTPs).

YubiKey Logon for windows

OATH App for the YubiKey NEO

Source code for generating our website

Cross platform personalization tool for the YubiKey NEO

Yubico validation protocol 2.0 client

YubiKey Key Storage Module