Follow What’s a good Google Authenticator alternative for iOS? andOTP is Android-only, FreeOTP seems to have been more or less abandoned and Authy isn't open-source AFAIK

@canteen @switchingsocial Tofu or OTP Auth are the ones I recommend. Tofu is fully open source and also recommended by PRISM Break.

@HamDancer @canteen @switchingsocial Alas, as much as I love my Yubikey, not every sight I want to use 2FA with can work with it, yet.

@canteen @switchingsocial fwiw, I use password for my 2FA as well as managing my logins, serial numbers and other stuff. Yes it's subscription but it's multiplatform too.

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