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Alternatives

Products that do what PlainKey does

Passkey auth for your web app in a few lines of code

  1. 1
    Passkeyd160

    Passkey auth, minimalistic and self hosted

    2024

  2. 2

    Quickly integrate passkeys into any app

    2024

  3. 3
    Passkeys107

    Passwordless login

    2023

  4. 4
    Corbado571

    Passkey-first authentication for developers

    2024

  5. 5

    Frictionless security: auth & user management with passkeys

    2023

  6. 6
    Uniqkey116

    Protect every login and let users access with confidence

    2025

  7. 7

    The world's best login box, powered by WorkOS + Radix.

    2023 · authkit.com

  8. 8

    Open-source Auth0/Clerk alternative

    2024

  9. 9
    MiniKey103

    The simplest 2FA app for Mac

    2021

  10. 10

    Free OAuth for 250+ APIs

    2024

  11. 11BP

    Hey y'all, This is something I've been working on for a few months. It is a passkey system, similar to Apple Passkeys or a Yubikey, but it is entirely software based so you can sync credentials between devices. Passkeys (and FIDO devices in general) allow you to use public keys instead of passwords or codes to authenticate. For instance, you can just click "Approve" on the device/software instead of having to copy a code, and there are no passwords to phish. This is a new piece of tech, so website support for logins are still limited, but it can currently be used for 2FA anywhere a…

    2022 · bulwark.id

  12. 12PU

    We've created a more comprehensive demo for Passkeys showing how you can use it at sign in, or embed into other parts of your flow

    2023 · demo.authsignal.com

  13. 13

    This project has been kicking around in my head since I first heard about the webauthn PRF extension in early 2024. I've slowly chipped away at it since, and finally got things to a shareable state over the summer thanks to a very fun parental leave. Headed back to work tomorrow, so I figure there's no time like the present. tldr: A client-held encryption key derived during passkey authentication encrypts all sensitive user data prior to persistence so that only the user is able to decrypt and reuse that data on their device. This allows short-lived, privacy-preserving age proofs to be…

    18d ago · loginwithone.com

  14. 14OP

    I, like Andrej Karpathy, became super frustrated by how annoying it was to deploy projects that were previously an absolute joy to make with Claude Code. That is why I made open-passkey, an MIT licensed passkey repo with support for 33 languages and frameworks (examples included) that makes adding simple secure auth to a project easy. We are also releasing gateway (https://gateway.locke.id) a "backendless" hosted auth server that frontend apps can consume for free so that you can ship a React or Angular app using a CDN like Netlify without needing to configure a server at all. We…

    Apr 2026 · github.com

  15. 15
    SoloKeys139

    Secure login made open and easy 🔒

    2018

  16. 16

    Request & share passwords securely and with 0 errors

    2021

  17. 17E2

    Hey HN, I'm so happy to finally show you all this release after years of hard work. I posted the first version of EnvKey to HN back in 2017 (https://news.ycombinator.com/item?id=15330757), then went through YC in W18 (https://news.ycombinator.com/item?id=16569534). EnvKey is an end-to-end encrypted configuration and secrets manager. It protects your organization's API keys, encryption keys, credentials, and other secrets, and makes it easy to run servers, scripts, tests, and everything else with the latest config. It also helps you avoid duplication in your…

    2022 · v2.envkey.com

  18. 18

    Find out if your users are ready for passkeys

    2024

  19. 19
    OwnID201

    An easy and secure passwordless add-on for your website

    2022

  20. 20
    Ente Auth357

    Free, Secure, Open Source 2FA

    2024

  21. 21KS

    Hi HN! I built KeyPub.sh to solve the problem of user verification for CLI applications. It's essentially OAuth for the terminal, but using SSH keys that developers and users already have. - No installation needed - works with existing SSH setup - Privacy-focused: users control what email info is shared - Simple email verification process - Free public service - Perfect for CLI app developers who don't want to build user verification Try it with: `$ ssh keypub.sh about` Source code: https://github.com/skariel/keypub

    2024 · keypub.sh

  22. 22

    Easiest way to add passwordless login to your apps & website

    2022

  23. 23AV
  24. 24

    Find and vote for websites and apps that offer passkeys

    2023

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