Alternatives

Products that do what The easiest 2-factor auth does

1. 1
   Authy▲177

   Dead simple two-factor authentication optimized for devs

   2014

2. 2TA
   Twofu: A Two-Factor Authenticator Command-Line App▲11

   2016 · github.com

3. 32A
   2FA, a one-file 2-factor authentication app written in Python▲8

   2020 · gist.github.com

4. 4AB
   Authenticator by 2Stable▲28

   2021 · authenticator.2stable.com

5. 5AO
   Authian – Open Source 2-Factor Authentication Using Instant Messengers▲37

   2017 · authian.org

6. 6AM
   A microservice that makes adding authentication to your app easy▲89

   2017 · github.com

7. 7CP
   Cracking passwords with a simple genetic algorithm▲149

   2016 · github.com

8. 8SS
   SharedOTP – Shared two-factor authentication mechanism▲29

   2021 · sharedotp.com

9. 9TF
   Two-Factor Auth with Emojis▲6

   2021 · authmoji.com

10. 10DH
    Diffie-Hellman exchange for the layman▲75

    2021 · borisreitman.com

11. 11AD
    A decentralized Internet identity system I'm working on.▲67

    2013 · nameblossom.org

12. 12AN
    A non-OTP 2-factor authentication Chrome app▲8

    2015 · logintc.com

13. 13S2
    Secrets 2 – Simple, secure password manager for Mac and iOS▲54

    2016 · outercorner.com

14. 14IU
    Integrate user auth more quickly▲6

    2022 · github.com

15. 15EM
    Easy magic-link authentication – Cierge▲11

    2018 · github.com

16. 16EI
    Emauth.io – Free service for Slack-style passwordless login links▲36

    2020 · emauth.io

17. 17BA
    Bare Auth – a ready-to-deploy stateless authentication server▲7

    2015 · github.com

18. 18NA
    NoKey, a Distributed Password Manager Without a Master Password▲37

    2018 · github.com

19. 19BA
    Bunkr – Auth and Secrets Management Using Threshold Crypto and SMPC▲15

    2019 · bunkr.app

20. 20AS
    A simple password generator▲11

    2015 · simplestpasswordgenerator.com

21. 21WA
    Wasp Auth UI – The first full-stack auth with self-updating forms▲5

    2023 · wasp-lang.dev

22. 22NA
    NullAuth – A proposal for password-less authentication▲13

    2017 · nullauth.org

23. 23RS
    RoleUp – Simple Identity Management▲22

    2020 · roleup.io

24. 24AF
    APIs for Passwordless Authentication▲7

    2021 · stytch.com

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