Best Nitrokey Alternatives & Competitors in 2025

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

One app to quickly and securely verify your identity online, for all of your accounts.

Verify your customers in under 15 seconds anywhere in the world with a cutting-edge SaaS & API platform for Identity Verification and AML/KYC compliance.

Try for free freemium $0.1 (per credit)

Secure login made open and easy 🔒

Open Source

Google Authenticator is a multifactor app for mobile devices.

free

Login to any account on any device with your fingerprint

Affordable Two-Factor Authentication For Active Directory

FreeOTP Authenticator precisely brings a second, secure layer of security for your online social or private accounts.

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

Multi-factor authentication is becoming the standard. Secure your apps and VPN with strong MFA for adaptive, risk-based authentication.

DIGIPASS offers two-factor​ authentication solutions for mobile applications.

MFAuth is a free and secure application that offers 2-step verification for managing your online accounts and services, thus helping to protect your accounts from hackers.

Rublon enables your workforce to securely access your organization's networks, servers and applications via easy-to-use multi-factor authentication. Protect cloud apps, VPNs, servers, workstations, internal as well as on-premise apps.

freemium $1.0 / Monthly (per user)

LastPass is an online password manager and form filler that makes web browsing easier and more secure.