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Dev tools · alternatives · 2026

24 alternatives to Passbase

Verify your user’s true identity in seconds

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Passbase launched in 2019; newer entries below may have overtaken it.

  1. 1
    Passbase▲344

    First of its kind no code identity verification engine

    2020 · its alternatives →

  2. 2

    Combining identity verification and secure user logins

    2021 · its alternatives →

  3. 3
    Userbase▲465

    Add user accounts & data persistence to your static site.

    2020 · its alternatives →

  4. 4
    NoPass.me▲129

    Open-source identity verification

    2021 · its alternatives →

  5. 5

    Making user data verification a breeze

    2023 · its alternatives →

  6. 6UA
  7. 7

    Simplest way to verify identities online

    2018 · its alternatives →

  8. 8

    The easiest way to verify identities

    2021 · its alternatives →

  9. 9
    SimpleID▲150

    Add decentralized auth and storage to your app in 10 minutes

    2019 · its alternatives →

  10. 10
    BedRock▲79

    Get approved by US banks even after being rejeceted

    Feb 2026 · its alternatives →

  11. 11
    Fast▲473

    World's fastest login and checkout

    2019 · its alternatives →

  12. 12

    Compliance intelligence for app developers

    2022 · its alternatives →

  13. 13
    InstantDB▲329

    Complete backend with auth and storage in one prompt

    Apr 2026 · instantdb.com · its alternatives →

  14. 14
    Truvity▲94

    Build identity solutions fast, cost effectively and securely

    2023 · its alternatives →

  15. 15
    Berbix▲108

    Instant ID checks to fight fraud and stay compliant

    2019 · its alternatives →

  16. 16

    Frictionless security: auth & user management with passkeys

    2023 · its alternatives →

  17. 17

    Verify users globally in as little as 10 seconds

    2022 · its alternatives →

  18. 18

    Non-KYC Identity Verification Platform for Creators

    2021 · its alternatives →

  19. 19
    DL3ARN▲234

    Digitize & verify credentials in the blockchain

    2023 · its alternatives →

  20. 20

    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…

    23d ago · loginwithone.com · its alternatives →

  21. 21
    Checker▲124

    Detect fake signups in under 200ms with an easy-to-use API

    2025 · its alternatives →

  22. 22SA

    Hey HN! Happy to finally launch Stack. We made it because we like to put apps into production quickly, and authentication & user management was taking up way too much time. We have components like and that automatically adapt to whatever theme & design system you're using. Check the blog post to see the example with Radix UI and Joy UI. Also, there's an admin dashboard for monitoring and editing accounts. Stack is 100% AGPL/MIT-licensed, so you can self-host it. Cheers!

    2024 · stack-auth.com · its alternatives →

  23. 23
    Passkeyd▲160

    Passkey auth, minimalistic and self hosted

    2024 · its alternatives →

  24. 24
    Mati▲184

    Legally verify users with a few lines of JS

    2018 · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →