U2F Zero

A secure and open source 2 factor authentication token. Designed to be affordable and reliable.

10 Alternatives To U2F Zero

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Authy

Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.

Gnome Authenticator

A Two-Factor Authentication application.

Krypton

An app store for mobile blockchain games

Nitrokey

Email Encryption. Encrypt your emails with GnuPG, OpenPGP, S/MIME or your favourite email client.

OTPClient

GTK+ application for securely managing TOTP & HOTP tokens.

Obsidian - Elegant OTP Authenticator

Obsidian is an elegant OTP Authenticator app for both iOS and MacOS.

SoloKeys

Secure login made open and easy 🔒
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YubiKey

The YubiKey is a one-time password device for secure login with two-factor authentication
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andOTP

andOTP is a two-factor authentication App for Android 4.4+

fidobooster

Program that adds an access request windows logon via u2f tocken to.