Alternatives

Products that do what Twofu: A Two-Factor Authenticator Command-Line App does

1. 12A
   2FA, a one-file 2-factor authentication app written in Python▲8

   2020 · gist.github.com

2. 2SS
   SharedOTP – Shared two-factor authentication mechanism▲29

   2021 · sharedotp.com

3. 3TE
   The easiest 2-factor auth▲27

   2014 · developer.mepin.com

4. 4AO
   Authian – Open Source 2-Factor Authentication Using Instant Messengers▲37

   2017 · authian.org

5. 5
   Authy▲177

   Dead simple two-factor authentication optimized for devs

   2014

6. 6SA
   SeKey: An SSH Agent for OS X, Using Secure Enclave and TouchID, in Rust▲169

   2017 · github.com

7. 7AN
   A non-OTP 2-factor authentication Chrome app▲8

   2015 · logintc.com

8. 8LA
   Lego – A Let's Encrypt Library and CLI in Go▲93

   2015 · github.com

9. 9PA
   Phido2 – A PHP Library for Authentication by Windows Hello▲13

   2016 · github.com

10. 10NA
    NoKey, a Distributed Password Manager Without a Master Password▲37

    2018 · github.com

11. 11CA
    Credstash – A tiny python utility for managing secrets in EC2▲69

    2015 · github.com

12. 12KA
    Kryptor – A simple, modern, and secure encryption tool▲78

    2021 · kryptor.co.uk

13. 13AB
    Authenticator by 2Stable▲28

    2021 · authenticator.2stable.com

14. 14FO
    Fosite – OAuth2 framework for Go▲38

    2016 · github.com

15. 15S2
    Secrets 2 – Simple, secure password manager for Mac and iOS▲54

    2016 · outercorner.com

16. 16PO
    Passbolt – open-source password manager for teams▲62

    2016 · passbolt.com

17. 17OR
    Oyabun – resilient C2 infrastructure for pentesters▲15

    2020 · oyabun.io

18. 18TF
    Two-Factor Auth with Emojis▲6

    2021 · authmoji.com

19. 19PA
    PassMan – A Secure Password Manager Written in Bash▲7

    2017 · github.com

20. 20AA
    Authentic: Authentication for Microservices▲13

    2015 · github.com

21. 21BA
    Bunkr – Auth and Secrets Management Using Threshold Crypto and SMPC▲15

    2019 · bunkr.app

22. 22BL
    b.lock – a blockchain-powered password manager▲14

    2018 · github.com

23. 23EM
    Easy magic-link authentication – Cierge▲11

    2018 · github.com

24. 24DI
    Drov.io – plug-and-play user authentication and management platform▲15

    2015 · drov.io

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