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Top 12 open-source products relevant to Two Factor Authentication and Authentication

  1. FusionAuth is a CIAM platform that is 100% free for unlimited users.

    Open Source freemium

    /fusionauth-alternatives
  2. Authenticator is a simple, free, and open source two-factor authentication app.

    Open Source

    /authenticator-alternatives
  3. Secure login made open and easy ๐Ÿ”’.

    Open Source

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

    Open Source

    /nitrokey-alternatives
  5. Simply Strong Two-Factor Authentication LoginTC is best in class. Effortless Administration. Intuitive User Experience. Cost-effective solution for all organizations.

    Open Source freemium $3.0 / Monthly (Professional Tier)

    /logintc-alternatives
  6. Authelia is an open-source authentication server providing SSO and two-factor for your applications running behind NGINX.

    Open Source

    /authelia-alternatives
  7. privacyIDEA is an enterprise ready, open-source multi factor authentication system.

    Open Source

    /privacyidea-alternatives
  8. Authenticator generates 2-Step Verification codes in your browser.

    Open Source

    /authenticator-cc-alternatives
  9. A simple application for multi-factor authentication.

    Open Source

    /gauth-authenticator-alternatives
  10. Authgear offers developers a simple, secure, and scalable Authentication and User Management Solution for web and mobile apps.

    Open Source freemium

    /authgear-alternatives
  11. A modern and secure Windows app for managing your 2FA authentication codes.

    Open Source free

    /2faguard-alternatives
  12. MIRACL | Unrivalled authentication. Enterprise ready.

    Open Source

    /miracl-alternatives

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