OpenSK Alternatives

OpenSK is described as 'Open-source implementation for security keys written in Rust that supports both FIDO U2F and FIDO2 standards' and is an app in the development category. There are more than 10 alternatives to OpenSK for a variety of platforms, including Android, iPhone, iPad, Mac and Linux apps. The best OpenSK alternative is 2FA Authenticator (2FAS), which is both free and Open Source. Other great apps like OpenSK are andOTP, Google Authenticator, Nitrokey and YubiKey.

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OpenSK alternatives are mainly Authenticators but may also be Password Managers or QR Code Readers.  Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of OpenSK.
OpenSK iconOpenSK
  0
  • Free • Open Source
  • ...

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

More about OpenSK
More about OpenSK
OpenSK alternatives page was last updated Feb 5, 2022
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  1. 2FA Authenticator (2FAS) icon
    2FA Authenticator (2FAS) icon

    2FA Authenticator (2FAS)

     34 likes
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    2FAS Authenticator is a simple and free application for Two Factor Authentication (2FA Authentication) which generates Time-based One-time Passwords (TOTP) and PUSH authentication*.

    57 2FA Authenticator (2FAS) alternatives
    2FA Authenticator (2FAS) screenshot 1
    2FA Authenticator (2FAS) screenshot 2
    +3
    2FA Authenticator (2FAS) screenshot 3

    License model

    • Free • Open Source

    Application type

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Google Chrome
    • Mozilla Firefox

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  Time-based One-time Password
    2.  Dark Mode
    3.  Usability
    4.  Biometric Authentication
    5.  Works Offline
    6.  Encrypted Backup
    7.  Cloud Sync
    8.  Ad-free
    9.  Two-factor Authentication
    10.  Multiple Account support
    11.  End-to-End Encryption
    12.  Browser extension
    2FA Authenticator (2FAS) iconOpenSK Icon

    2FA Authenticator (2FAS) VS OpenSK

    Is this a good alternative to OpenSK?
     

    • 2FA Authenticator (2FAS) is the most popular Android, iPhone, iPad & Android Tablet alternative to OpenSK.

    • 2FA Authenticator (2FAS) is the most popular Open Source & free alternative to OpenSK.

    • 2FA Authenticator (2FAS) is Free and Open SourceOpenSK is also Free and Open Source
    • 2FA Authenticator (2FAS) is Privacy focused and LightweightOpenSK is not according to our users
  2. andOTP icon
    andOTP icon

    andOTP

     78 likes
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    It implements Time-based One-time Passwords (TOTP) and HMAC-Based One-Time Passwords (HOTP). Simply scan the QR code and login with the generated 6-digit code.

    46 andOTP alternatives
    Main (Light theme)
    Settings (Light theme)
    +3
    Backup (Light theme)

    License model

    • Free • Open Source

    Application types

    Platforms

    • Android
    • Android Tablet

    Properties

    1.  Privacy focused
    2.  Security-focused

    Features

    1.  Encrypted Backup
    2.  Dark Mode
    3.  Time-based One-time Password
    4.  Two-factor Authentication
    5.  Unlock pin
    6.  Multi-Factor Authentication (MFA)
    7.  Biometric Authentication
    8.  Unlock with fingerprint
    9.  Icon sets
    10.  Sort by date
    11.  Sorting by tags
    12.  Password Generator
    Discontinued

    Unmaintained, see https://github.com/andOTP/andOTP and developers announcement on XDA https://forum.xda-developers.com/t/app-4-4-open-source-andotp-open-source-two-factor-authentication-for-android.3636993/post-87021655. The GitHub repository was also archived in June 2022.

    andOTP iconOpenSK Icon

    andOTP VS OpenSK

    Is andOTP a good alternative to OpenSK?
     
  4. Google Authenticator icon
    Google Authenticator icon

    Google Authenticator

     74 likes
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    Google Authenticator generates 2-Step Verification codes on your phone.

    77 Google Authenticator alternatives
    Google Authenticator screenshot 1
    Google Authenticator screenshot 2
    +3
    Google Authenticator screenshot 3

    License model

    • Free • Proprietary

    Application type

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad

    Google Authenticator Features

    1.  Two-factor Authentication
    2.  Time-based One-time Password
    3.  Multi-Factor Authentication (MFA)
    4.  Dark Mode
    5.  Cloud Sync
    6.  Multiple Account support
    Google Authenticator iconOpenSK Icon

    Google Authenticator VS OpenSK

    Is Google Authenticator a good alternative to OpenSK?
     
  5. Ad
  6. Nitrokey icon
    Nitrokey icon

    Nitrokey

     18 likes
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    Email Encryption. Encrypt your emails with GnuPG, OpenPGP, S/MIME or your favourite email client. Keep your secret keys secure on your Nitrokey.

    14 Nitrokey alternatives

    License model

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub

    Properties

    1.  Privacy focused

    Features

    1.  Two-factor Authentication
    2.  Time-based One-time Password
    3.  Hardware securite module (HSM)
    4.  HMAC-Based One-Time Password (HOTP)
    5.  PGP Encryption
    6.  OpenPGP
    7.  Biometric Authentication
    8.  Works Offline
    9.  S/MIME Support
    10.  Password safe
    Nitrokey iconOpenSK Icon

    Nitrokey VS OpenSK

    Is Nitrokey a good alternative to OpenSK?
     

    • Nitrokey is the most popular Windows, Mac & Linux alternative to OpenSK.

    • Nitrokey is the most popular commercial alternative to OpenSK.

    • Nitrokey is Paid and Open SourceOpenSK is Free and Open Source
    • Nitrokey is Privacy focusedOpenSK is not according to our users
  7. YubiKey icon
    YubiKey icon

    YubiKey

     31 likes
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    The multi-protocol security key offers the highest assurance, protecting devices with passwordless workflows and strong 2FA against phishing. It plugs into computers, tablets, and mobile devices, integrates PIN or biometric for identity verification, and reduces helpdesk costs.

    24 YubiKey alternatives
    YubiKey screenshot 1

    License model

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Google Chrome

    YubiKey Features

    1.  Two-factor Authentication
    YubiKey screenshot 1
    YubiKey screenshot 2
    YubiKey iconOpenSK Icon

    YubiKey VS OpenSK

    Is YubiKey a good alternative to OpenSK?
     
  8. Keysmith icon
    Keysmith icon

    Keysmith

     5 likes
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    Keysmith is a token generator for your two-factor authentication (2FA) logins. It supports time and hash-based one-time passwords (TOTP/HOTP).

    70 Keysmith alternatives
    Keysmith screenshot 1

    License model

    • Free • Open Source

    Application type

    Platforms

    • Linux
    • KDE Plasma
    • Linux Mobile
    • Flathub
    • Plasma Mobile
    • Flatpak

    Properties

    1.  Privacy focused

    Features

    1.  Two-factor Authentication
    2.  Time-based One-time Password
    Keysmith iconOpenSK Icon

    Keysmith VS OpenSK

    Is Keysmith a good alternative to OpenSK?
     
  10. Authorizer icon
    Authorizer icon

    Authorizer

     3 likes
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    A Password Manager for Android with Auto-Type over USB and Bluetooth, OTP and much more.

    37 Authorizer alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Android

    Authorizer Features

    1.  Two-factor Authentication
    2.  Multi-Factor Authentication (MFA)
    Authorizer iconOpenSK Icon

    Authorizer VS OpenSK

    Is Authorizer a good alternative to OpenSK?
     
  11. SoloKeys icon
    SoloKeys icon

    SoloKeys

     8 likes
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    Solo is an open source security key, and you can get one at solokeys.com.

    18 SoloKeys alternatives
    SoloKeys screenshot 1

    License model

    Platforms

    • Mac
    • Windows
    • Linux
    • Android

    SoloKeys Features

    1.  Two-factor Authentication
    SoloKeys iconOpenSK Icon

    SoloKeys VS OpenSK

    Is SoloKeys a good alternative to OpenSK?
     
  12. Zoho OneAuth icon
    Zoho OneAuth icon

    Zoho OneAuth

     2 likes
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    Secure your Zoho Account with easy-to-use, multi-factor authentication. Because hackers won't give you a second chance.

    52 Zoho OneAuth alternatives
    Zoho OneAuth screenshot 1
    Zoho OneAuth screenshot 2
    +7
    Zoho OneAuth screenshot 3

    License model

    • Free • Proprietary

    Application type

    Platforms

    • Mac
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Apple Watch

    Zoho OneAuth Features

    1.  Two-factor Authentication
    2.  Multi-Factor Authentication (MFA)
    3.  Push Notifications
    4.  Fingerprinting protection
    Zoho OneAuth iconOpenSK Icon

    Zoho OneAuth VS OpenSK

    Is Zoho OneAuth a good alternative to OpenSK?
     
  13. Krypton icon
    Krypton icon

    Krypton

     2 likes
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    Krypton implements the standardized FIDO Universal 2nd Factor (U2F) protocol to provide secure, un-phishable two-factor authentication on the web, using just your phone.

    16 Krypton alternatives
    Krypton screenshot 1

    License model

    • Free • Open Source

    Platforms

    • iPhone
    • iPad

    Krypton Features

    1.  Two-factor Authentication
    Krypton screenshot 1
    Krypton screenshot 2
    +4
    Krypton screenshot 3
    Krypton iconOpenSK Icon

    Krypton VS OpenSK

    Is Krypton a good alternative to OpenSK?
     
  14. AuthLite icon
    AuthLite icon

    AuthLite

     1 like
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    This app is created for use with the YubiKey NFC and NEO to copy One-time-passwords (OTPs) from a YubiKey into the iOS clipboard.

    7 AuthLite alternatives
    AuthLite screenshot 1

    License model

    • Free • Proprietary

    Platforms

    • iPhone
    • iPad
    AuthLite iconOpenSK Icon

    AuthLite VS OpenSK

    Is AuthLite a good alternative to OpenSK?
     
  15. GAuth Authenticator icon
    GAuth Authenticator icon

    GAuth Authenticator

     Like this app
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    A simple application for multi-factor authentication, written in HTML using jQuery Mobile, jsSHA, LocalStorage and Application Cache. It implements the TOTP (Time-Based One-Time Password) algorithm according to RFC6238 and has been tested to work with Google Authenticator...

    48 GAuth Authenticator alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Online
    • Chrome OS
    • Software as a Service (SaaS)

    GAuth Authenticator Features

    1.  Two-factor Authentication
    2.  Time-based One-time Password
    3.  Multi-Factor Authentication (MFA)
    4.  Web-Based
    GAuth Authenticator iconOpenSK Icon

    GAuth Authenticator VS OpenSK

    Is GAuth Authenticator a good alternative to OpenSK?
     

    • GAuth Authenticator is the most popular Web-based & SaaS alternative to OpenSK.

    • GAuth Authenticator is Free and Open SourceOpenSK is also Free and Open Source
12 of 12 OpenSK alternatives