So I selfhost Vaultwarden which allows TOTP but I like to keep my 2FA and Password Manager separate, so I’m looking for something like Vaultwarden which can sync up with my server, but for 2FA only. I came across 2FAuth which can do it, but it only has webapp, so if a Alternative Service where there is a client for iOS and Android it would be a lifesaver. Thanks in advance for any suggestions or recommendations.
I have 2 yubikeys, one for backup in a safe place. If a site only allows one key, like PayPal, I use another method. Yubikeys are for 2FA on my nextcloud and bitwarden mainly. Both have backupkeys in case you lose them. Those keys are printed out and stored in a safe place too.