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I use keepass. There are mobile apps and it can load from a cloud account.

KeePass + Syncthing + YubiKey = Awesome, and free!

Does keepass support yubikey out of the box or is there a certain plugin you use? What do you do about mobile?

KeePassXC supports YubiKey out of the box. I do not access anything important via phone. I usually have my laptop nearby anyway.