If anyone wants to ditch google authenticator to try to de-google your life as much as you can:
Phone alternative: www.authy.com
If you want desktop authenticator:
ente.com/auth/ is open source too, can make a passkey. It also has android versions if you want to use that instead of authy.
authy.com
Authy: Two-factor Authentication (2FA) App & Guides
Two-factor authentication (2FA) adds an additional layer of protection beyond passwords. Download our free app today and follow our easy to use guides to protect your accounts and personal information...