1. The only full stack Identity & Access Manager. The IAM solution encompasses: multi-factor authentication, single sign-on,enterprise password manager & vaulting, end point access management, directory services & over 60,000 application integrations.

    freemium

  2. Duo Security provides cloud-based two-factor authentication. Duo’s technology can be deployed to protect users, data, and applications from breaches, credential theft, and account takeover.

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

  4. Google Authenticator is a multifactor app for mobile devices.

  5. Authenticator is a simple, free, and open source two-factor authentication app.

  6. LoginTC is a simple, secure 2-Factor Authentication solution.

  7. YubiKey provides security solutions for strong two-factor authentication using U2F, OTP, PIV, and more.

  8. Enterprise-grade identity management for all your apps, users & devices

  9. Protectimus ia a two-factor authentication solution.

  10. Dashlane is a secure way to bypass tedious logins, forms, and purchases online. Save all of your information and save time in your online transactions.

  11. inWebo is a SaaS provider of Identity Protection & two-factor Authentication built to secure access to VPN, web sites, Mobile and Cloud Apps.

  12. Portable open-source Authenticator for Windows