I've had an OnlyKey for a couple of years now. It offer 12 slots per profile and 2 profiles, and the slots supporting TOTP, U2F, Yubikey, plaintext and a whole

I've had an OnlyKey for a couple of years now. It offer 12 slots per profile and 2 profiles, and the slots supporting TOTP, U2F, Yubikey, plaintext and a whole lot of other tools. With the configuration app and firmware open source, I'm really surprised I've never seen anyone else with one.