OnlyKey Product Information and Latest Updates (2025)

What is OnlyKey?

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.

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Recent OnlyKey Launches

OnlyKey DUO Open source Yubikey alternative with dual USB-C and USB-A

Launched on September 28th, 2021

OnlyKey OnlyKey is an open source alternative to YubiKey

Launched on December 25th, 2019

Forum Threads

T Steiner

•

5yr ago

OnlyKey - OnlyKey is an open source alternative to YubiKey

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.

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Reviews

Piet Zwikker

•1 review

Using my OnlyKey-Duo for half a year now , I am enthousiastic about it. Functioning reliable on my USB A/C devices. Easy configuration and backup , but lacks support if you have issues. (just forum) After using Yubikey 5-NFC , OnlyKey-Duo is matching better for me.

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2yr ago

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5yr ago