Alternatives to Google Authenticator for all platforms with any license

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Google Authenticator Comments

Use the free and open source FreeOTP instead. 1 Helpful

Comment by JohnFastman
about Google Authenticator and FreeOTP, Authy Mar 2017

If you could have exactly the same functionality as Google Authenticator or Authy but using open source software, you should prefer it for reasons of transparency and security, at the very least. That's what FreeOTP offers. Please use it instead of Google Authenticator or Authy. There's no need to have proprietary code in matters of security, and particularly not in this case.

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Authenticator app for China

Comment by namitasingh
about Google Authenticator May 2016

For customers in China, what is an alternative for Google Authenticator?

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