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Yubico AuthenticatorAuthme
Free

The app is free; it requires a YubiKey, which is bought separately.

 Free

Free and open source under the GPL-3.0 licence.

Windows, macOS, Linux, Android, iOS Windows
  • Secrets stay on the hardware key rather than the device
  • Same codes available on any machine where the key is plugged in
  • TOTP code generation on the desktop
  • Imports Google Authenticator QR codes
  • Requires a YubiKey
  • Losing the key loses access to the stored codes unless you have a backup
  • Keeping 2FA codes on the same computer as passwords reduces separation of factors
Downloadable app Downloadable app
Closed source Open source
License not stated License: GPL-3.0
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 24, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.