FreeOTP adds a second layer of security for your online accounts. This works by generating one-time passwords on your mobile devices which can be used in conjunction with your normal password to make your login nearly impossible to hack. These passwords can be generated even when your phone is in airplane mode.
FreeOTP works with many of the great online services you already use, including Google, Facebook, Evernote, GitHub and many more! FreeOTP also may work for your private corporate security if they implement the standardized TOTP or HOTP protocols. This includes great enterprise solutions like FreeIPA.
FreeOTP is open source and free software! Licensed under the Apache 2.0 license, you can obtain the source code for FreeOTP at https://fedorahosted.org/freeotp for review or modification. Contributions are welcome!
I have only 2 problems with it both not really a big deal.
1. you can’t get the code (the one within the qr code you scan) back so you could lets enable the totp in another totp app
2. you can’t write in the code manually, though it is a mobile phone so you can scan them and it is more convinient than typing it. it was a feature but it got removed. again, this one isnt a dealbreaker
It works but…
.. The UX is not very good. I.e. I did not find the way how reveal the code and than copy it, or copy it to the clipboard and than copy it. Not happy with the app, looking for replacement.
Napsání kódu ručně
Nelze!
Handsoff
Handoff stopped working, it is not copied to shared clipboard.
Alternative
Great open source alternative to Google Authenticator. Sources are available on GitHub.