Alternatives

Products that do what A non-OTP 2-factor authentication Chrome app does

1. 1TA
   Twofu: A Two-Factor Authenticator Command-Line App▲11

   2016 · github.com

2. 2AO
   Authian – Open Source 2-Factor Authentication Using Instant Messengers▲37

   2017 · authian.org

3. 3AR
   A remote browser product, open-sourced▲253

   2019 · github.com

4. 4LL
   Link-lock – Distributed app to password-protect URLs▲73

   2020 · github.com

5. 52A
   2FA, a one-file 2-factor authentication app written in Python▲8

   2020 · gist.github.com

6. 6TE
   The easiest 2-factor auth▲27

   2014 · developer.mepin.com

7. 7SS
   SharedOTP – Shared two-factor authentication mechanism▲29

   2021 · sharedotp.com

8. 8NA
   NoKey, a Distributed Password Manager Without a Master Password▲37

   2018 · github.com

9. 9FO
   Free open-source isolated browser for security▲71

   2021 · github.com

10. 10OS
    Open-source Chrome extension for internet transparency and data privacy▲12

    2019 · github.com

11. 11KA
    Keycat – A self-hosted end-to-end encrypted password manager▲87

    2019 · key.cat

12. 12PF
    Private Forms: PGP-Encrypted Webforms for Privacy-Conscious Receipients▲60

    2015 · privateforms.com

13. 13TA
    Tenta – A private encrypted browser▲56

    2016 · tenta.com

14. 14NA
    NullAuth – A proposal for password-less authentication▲13

    2017 · nullauth.org

15. 15WT
    Web Tunnels – Passwordless authentication for the web▲6

    2024 · pico.sh

16. 16AP
    A privacy-first browser for Android with ZERO permissions▲16

    2020 · snapsearch.online

17. 17DT
    Don't Be Evil, A Chrome extension based on the Focus on the User script▲31

    2012 · github.com

18. 18FO
    Fosite – OAuth2 framework for Go▲38

    2016 · github.com

19. 19HD
    Hasher - Developer's toolbox for Chrome▲33

    2012 · chrome.google.com

20. 20PD
    Passwordless Decentralized Apps with MetaMask Browser Extension [video]▲5

    2018 · d.tube

21. 21PL
    Password-less authentication via Ramanujan's 1/π series and Nvidia-B200▲5

    May 2026 · zenodo.org

22. 22SA
    Syncit - An open source privacy-first co-browsing Tool▲13

    2020 · syncit.luckid.io

23. 23PA
    Phido2 – A PHP Library for Authentication by Windows Hello▲13

    2016 · github.com

24. 24EE
    E2E encrypted “multiplayer” text editor on the web in 6kb▲9

    2022 · picnic.lecaro.me

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