Alternatives to Security Key Series by Yubico

It suits people who want a physical key for account authentication across web and mobile devices.

This key suits people seeking USB-A and NFC multifactor authentication for desktops or laptops, as well as enterprise environments.

Nitrokey 3 suits people who want a physical key for login, cryptographic keys, certificates, or a small password vault.

Solo 2 suits everyday users, security professionals, and enterprise teams seeking hardware-key authentication.

It may suit enterprises, government agencies, public-sector organizations and critical infrastructure seeking a hardware key for digital and physical access.

Titan Security Key suits people and organizations seeking hardware-based phishing protection for supported accounts and services.

It suits desktop, laptop and enterprise users seeking a hardware key with FIDO, PIV, OpenPGP and OTP support.

YubiKey 5 Series

The series suits personal or business users who want a hardware key for authentication, including remote workers, privileged users and shared-workstation environments.

It suits users needing passwordless FIDO authentication across Windows and web services, especially where a roaming USB-A key is useful.