Alternatives

Products that do what YubiKey 5Ci does

Security key with dual support for USB-C and Lightning

1. 1
   OnlyKey DUO▲88

   Open source Yubikey alternative with dual USB-C and USB-A

   2021

2. 2
   YubiKey NEO▲102

   Hardware-based authentication

   2018

3. 3
   OnlyKey▲118

   OnlyKey is an open source alternative to YubiKey

   2019

4. 4SO
   Solo, open source FIDO2 security key▲98

   2018 · github.com

5. 5
   Evercoin▲324

   Safest cryptocurrency exchange and multicoin hardware wallet

   2017

6. 6
   SoloKeys▲139

   Secure login made open and easy 🔒

   2018

7. 7
   Fido▲194

   The safest and most minimalistic smart lock

   2019

8. 8YA
   Yubikey-agent – an easy to use Go ssh-agent for YubiKeys▲152

   2020 · github.com

9. 9
   Calibra▲267

   Digital wallet for Libra cryptocurrency

   2019

10. 10YH
    YubiKey HMAC-SHA1 support for KeePassX▲32

    2014 · github.com

11. 11
    CastleFile▲121

    Fun, secure and client side file encryption using chess

    2025

12. 12
    KeyHippo [LW24]▲141

    Add API key auth to Postgres Row Level Security (RLS) policy

    2024

13. 13
    OneKey▲74

    Secure & community driven crypto wallet trusted by millions.

    2022

14. 14FU
    FIDO2 USB+NFC token optimized for security, extensibility, and style▲11

    2018 · github.com

15. 15TS
    The SC4-HSM, a fully open USB hardware secure module▲137

    2016 · sc4.us

16. 16
    Keybase for Mobile▲159

    End-to-end encryption messaging platform

    2017

17. 17
    Flujo Signature Pro▲72

    World's First USB-C Adapter Hub with SSD Enclosure

    2019

18. 18
    Crypton.sh - SMS▲85

    Secure Anonymous SMS in the cloud (and a phone number)

    2018

19. 19
    On-Device Field Extraction by Veryfi▲95

    Secure on-device extraction even if you're offline

    Jul 2026

20. 20
    MiniKey▲103

    The simplest 2FA app for Mac

    2021

21. 21
    Secur3▲77

    First decentralized 2FA solution for self-custodial wallets

    2022

22. 22
    Just Mail▲64

    Secured email platform based on distributed storage network

    2014

23. 23SO
    Synchronize OTP credentials across multiple Yubikeys▲5

    A YubiKey, among other use cases, can be used to store OTP credentials and generate one-time passwords. If you are a YubiKey user, chances are you have multiple YubiKeys for redundancy and/or convenience. yop is a command line tool that allows keeping OTP credentials on multiple YubiKeys in sync.

    2024 · github.com

24. 24
    Wally Javascript SDK▲86

    Email-based wallets, compatible with any dApp using Metamask

    2023

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