Software Alternatives, Accelerators & Startups


open-source implementation for security keys written in Rust that supports both FIDO U2F and FIDO2 standards.

OpenSK Alternatives

The best OpenSK alternatives based on verified products, community votes, reviews and other factors.
Filter: 5 Open-Source Alternatives Latest update:

  1. 10

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

  2. 10

    Secure login made open and easy 🔒

    Open Source

  3. 1Password can create strong, unique passwords for you, remember them, and restore them, all directly in your web browser.

    Visit website paid Free Trial $36.0 / Annually

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

    Open Source

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


  6. An app store for mobile blockchain games

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

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

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

  10. A 2FA device to protect yourself from hackers

  11. Hardware-based authentication

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

  13. KeePass is an open source password manager. Passwords can be stored in highly-encrypted databases, which can be unlocked with one master password or key file.

    Open Source

  14. A Two-Factor Authentication application.

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