Open Source Google Authenticator Alternatives for Windows

Google Authenticator is not available for Windows but there are plenty of alternatives that runs on Windows with similar functionality. The best open source Windows alternative is Bitwarden. If that doesn't suit you, our users have ranked more than 50 alternatives to Google Authenticator and many of them are open source and available for Windows so hopefully you can find a suitable replacement. Other interesting open source Windows alternatives to Google Authenticator are KeePass, Ente Auth, Proton Authenticator and KeeWeb.

filter to find the best alternatives

Google Authenticator alternatives are mainly Authenticators, but if you're looking for Password Managers or Team Collaboration Tools you can filter on that. Other popular filters include Open Source, EU, Authenticator, Open Source + Authenticator and iPhone + Open Source. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Google Authenticator.
More about Google Authenticator
Copy a direct link to this comment to your clipboard
Google Authenticator alternatives page was last updated

Alternatives list

  1. Bitwarden icon

    Bitwarden

     1436 likes

    Open-source password manager using AES-256 and PBKDF2 SHA-256 encryption. Securely store and sync logins across iOS, Android, Windows, and more without service provider access.

    247 Bitwarden alternatives

    Cost / License

    • Freemium
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Apple Watch
    • Snapcraft
    • Microsoft Edge
    • Vivaldi
    • Google Chrome
    • Flathub
    • Microsoft SQL Server
    • Tor Browser
    • Safari
    • F-Droid
    • Software as a Service (SaaS)
    • Flatpak
    • Cloudron
    • Docker
    • Opera
    • Chocolatey
    • Mono
    • Brave
    • AppImage
    • Mozilla Firefox
    Bitwarden screenshot 1
     
    |
    1
  2. KeePass icon

    KeePass

     1665 likes

    Free and open source password manager offering secure local storage of passwords in an encrypted database, strong AES and Twofish encryption, master key or key file access, portable version, plugin support, password generation, and optional two-factor authentication.

    261 KeePass alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Mono
    Main window
     
    |
    6
  4. Ente Auth icon

    Ente Auth

     194 likes

    Generates and stores two-factor authentication tokens with device encryption, offers secure cloud backup, multi-device synchronization, offline mode, and import/export through QR, file, or manual input. Migration and restore tools reduce risk of token loss.

    49 Ente Auth alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Flathub
    • F-Droid
    • Flatpak
    Ente Auth screenshot 1
     
  5. Proton Authenticator icon

    Proton Authenticator

     108 likes

    Protect your accounts with Proton Authenticator, a private and secure cross-device two-factor authentication (2FA) that works offline. Created by Proton, the creators of Proton Mail, Proton VPN, Proton Drive, and Proton Pass.

    68 Proton Authenticator alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • F-Droid
    • Online
    Proton Authenticator screenshot 1
     
  6. KeeWeb icon

    KeeWeb

     116 likes

    Web and desktop password manager compatible with KeePass. Works online in any modern browser or as a desktop app for Windows, macOS, and Linux.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    KeeWeb screenshot 1
     
  7. OneKeePass icon

    OneKeePass

     26 likes

    OneKeePass supports the well known KeePass-compatible database (Kdbx 4.x). It stores and manages all your passwords and other sensitive information in a single encrypted file that can be stored in any location, including local and public cloud solutions. You keep?

    82 OneKeePass alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • F-Droid
    OneKeePass screenshot 1
     
  9. Authenticator Extension icon

    Authenticator Extension

     20 likes

    Authenticator generates two-factor authentication (2FA) codes in your browser. Use it to add an extra layer of security to your online accounts.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Microsoft Edge
    • Google Chrome
    • Mozilla Firefox
    Authenticator Extension screenshot 1
     
    |
    2
  10. AuthPass icon

    AuthPass

     27 likes

    Manage all your passwords across all devices. Open Source password manager compatible with kdbx/keepass. Available on Android, iOS, iPadOS, MacOS, Linux and Windows. It can also be used as a cross-platform supported two factor authentication app.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Snapcraft
    • Flathub
    • Online
    AuthPass screenshot 1
     
  11. OnlyKey icon

    OnlyKey

     14 likes

    OnlyKey is an open source alternative to YubiKey. OnlyKey natively supports: a hardware password manager, multiple two-factor methods (FIDO2, TOTP, and Yubico® OTP), passwordless SSH login, and OpenPGP.

    Cost / License

    • Paid
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Chrome OS
    OnlyKey screenshot 1
     
  12. Keyguard icon

    Keyguard

     9 likes

    Alternative client for the Bitwarden® platform & KeePass (KDBX), created to provide the best user experience possible.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Flathub
    • F-Droid
    • Flatpak
    Keyguard screenshot 1
     
  13. 2fast icon

    2fast

     5 likes

    2fast (acronym for two factor authenticator supporting TOTP) is the first free, open source, two factor authenticator for Windows and Android with the ability to store the sensitive data encrypted at a place of your choice instead of a 3rd party cloud location.

    Cost / License

    Application type

    Platforms

    • Windows
    • Chocolatey
    2fast screenshot 1
     
12 of 25 Google Authenticator alternatives