Yubioath Flutter
Yubico Authenticator is available for desktop systems and Android, providing access to Yubico Authenticator project releases and source code.
About Yubioath Flutter
Yubico Authenticator is a companion app for managing a YubiKey hardware security key. It displays YubiKey details such as serial number, firmware version and supported capabilities, and it can show OATH one-time passwords stored on the key. The project describes it as available for Windows, macOS, Linux and Android. The source code is licensed under Apache-2.0 and hosted on GitHub.
The app requires a compatible USB or NFC-enabled YubiKey. On Linux, the pcscd service must be installed and running to communicate with the key over the SmartCard interface, and user permissions may need to be set for HID access. On some Wayland configurations, copying a one-time password to the clipboard from the system tray icon may not work reliably. The project lists some platform versions as supported and others as best-effort, meaning full functionality cannot be guaranteed on those.
Key features
- Shows YubiKey serial number, firmware version and supported capabilities
- Manages and displays OATH one-time passwords stored on the YubiKey
- Configures PIN, fingerprints and passkeys for WebAuthn/FIDO
- Configures PIN, PUK and management key, and manages PIV certificates and private keys
- Provisions Yubico OTP, static passwords and other slot-based credentials
- Configures enabled YubiKey features and factory resets YubiKey data
Best for: Users who own a compatible YubiKey and want to manage its one-time passwords, FIDO settings or PIV certificates from a desktop or Android device.
Good for
- Open source, licensed under Apache-2.0, with source code available on GitHub
- According to the project, credentials stored on the hardware key do not need to be kept on a phone and no connectivity is needed
- Publishes specific minimum versions for each platform, separated into supported and best-effort tiers
Watch out for
- Requires a compatible USB or NFC-enabled YubiKey
- Best-effort platforms are supported through community testing, and full functionality cannot be guaranteed on them
- On Linux, pcscd must be installed and running, and clipboard copying can be unreliable on some Wayland setups
Yubioath Flutter at a glance
- Category
- Privacy & Security › Password Managers
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Platforms
- Android, Linux, macOS, Windows
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
Guides for Password Managers
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Yubioath Flutter FAQ
Which platform versions are supported?
The project lists Windows 10 and above (x64), macOS 13 (Ventura) and above, Ubuntu 22.04 and above, and Android 13 and above as supported. Windows 10 and above is listed as x64 only. macOS 10.15, Ubuntu 20.04 (or equivalent) and Android 7 are listed as best-effort.
What is needed to use the app on Linux?
The pcscd service must be installed and running to communicate with a YubiKey over the SmartCard interface. Users may also need permissions set to access YubiKeys through the HID interfaces.
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