OnlyKey is a USB security key that works virtually everywhere. Like a swiss army knife of authentication, OnlyKey natively supports: a hardware password manager, multiple two-factor methods (FIDO2, TOTP, and Yubico® OTP), passwordless SSH login, and OpenPGP.
OnlyKey launches
Launch date

OnlyKey DUO Open source Yubikey alternative with dual USB-C and USB-A
Launched on September 28th, 2021
