Alternatives

Products that do what Krypton – make your phone a U2F Authenticator does

1. 1KA
   Kryptonite – a new home for your SSH private key▲338

   2017 · krypt.co

2. 2AM
   A microservice that makes adding authentication to your app easy▲89

   2017 · github.com

3. 3TA
   Turtl – A secure, encrypted Evernote alternative▲236

   2016 · turtl.it

4. 4TE
   The easiest 2-factor auth▲27

   2014 · developer.mepin.com

5. 5KA
   Kryptor – A simple, modern, and secure encryption tool▲78

   2021 · kryptor.co.uk

6. 6PV
   Phone verification at no cost▲147

   2016 · github.com

7. 7SB
   Send Bitcoin with your fingerprint via Touch ID▲12

   2014 · youtube.com

8. 8IM
   I made a super easy way to verify users' mobile numbers using SMS▲26

   2015 · digitimate.com

9. 9AL
   Add license key verification to your apps▲131

   2020 · github.com

10. 10AD
    A decentralized Internet identity system I'm working on.▲67

    2013 · nameblossom.org

11. 11AO
    Authian – Open Source 2-Factor Authentication Using Instant Messengers▲37

    2017 · authian.org

12. 12MA
    Monocypher: a small, easy to use crypto library▲90

    2017 · loup-vaillant.fr

13. 13IM
    I made an Android app that gives you an extra phone number to give out▲67

    2011 · market.android.com

14. 14TM
    TakeMeasure – Make your phone a ruler▲35

    2016 · play.google.com

15. 15TA
    Twofu: A Two-Factor Authenticator Command-Line App▲11

    2016 · github.com

16. 16QA
    QKSMS, an SMS replacement app for Android▲46

    2014 · play.google.com

17. 17QJ
    Quicksy – Jabber with phone number verification and contact discovery▲40

    2018 · quicksy.im

18. 18SC
    Smart Contracts for Cracking Passwords▲9

    2017 · initialized.github.io

19. 19PN
    Phone Number Verification for Your App Without Using SMS▲7

    2018 · phoneverification.io

20. 20AN
    A non-OTP 2-factor authentication Chrome app▲8

    2015 · logintc.com

21. 21SS
    SharedOTP – Shared two-factor authentication mechanism▲29

    2021 · sharedotp.com

22. 22GS
    Gecko SMS, our (hopefully) revolutionary Android messaging app▲17

    2011 · market.android.com

23. 23AA
    Authentication and Verification of Digital Media Assets for Everyone▲19

    2021 · tovera.com

24. 24EM
    Easy magic-link authentication – Cierge▲11

    2018 · github.com

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