nowfound

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▲345

    First of its kind no code identity verification engine

    2020 · parallelmarkets.com · its alternatives →

  2. 2

    Combining identity verification and secure user logins

    2021 · parallelmarkets.com · its alternatives →

  3. 3
    Userbase▲465

    Add user accounts & data persistence to your static site.

    2020 · userbase.com · its alternatives →

  4. 4

    Userbase is the easiest way to add user accounts and data persistence to your static site. No backend necessary.

    2020 · userbase.com · its alternatives →

  5. 5
    NoPass.me▲129

    Open-source identity verification

    2021 · nopass.me · its alternatives →

  6. 6

    Making user data verification a breeze

    2023 · baseverify.com · its alternatives →

  7. 7

    Simplest way to verify identities online

    2018 · trueface.ai · its alternatives →

  8. 8

    The easiest way to verify identities

    2021 · stripe.com · its alternatives →

  9. 9
    SimpleID▲150

    Add decentralized auth and storage to your app in 10 minutes

    2019 · simpleid.xyz · its alternatives →

  10. 10
    BedRock▲79

    Get approved by US banks even after being rejeceted

    Feb 2026 · its alternatives →

  11. 11
    Fast▲472

    World's fastest login and checkout

    2019 · its alternatives →

  12. 12

    🔑✅ An alternative to Twitter's verified accounts powered by Keybase. - dschep/proven

    2018 · github.com · its alternatives →

  13. 13
    Base API▲277

    API for authentication, email sending, images and more!

    2019 · base-api.io · its alternatives →

  14. 14

    Develop faster, eliminate complexity, protect your secrets

    2022 · 1password.com · its alternatives →

  15. 15

    Frictionless security: auth & user management with passkeys

    2023 · 1password.com · its alternatives →

  16. 16

    Compliance intelligence for app developers

    2022 · checks.google.com · its alternatives →

  17. 17
    InstantDB▲320

    Complete backend with auth and storage in one prompt

    Apr 2026 · instantdb.com · its alternatives →

  18. 18
    Passky▲144

    A simple, modern and open source password manager

    2021 · passky.org · its alternatives →

  19. 19
    Truvity▲94

    Build identity solutions fast, cost effectively and securely

    2023 · truvity.com · its alternatives →

  20. 20
    Berbix▲108

    Instant ID checks to fight fraud and stay compliant

    2019 · gavangtvttbdc.tv · its alternatives →

  21. 21BA

    Simple API for authentication, email sending, image storage and more.

    2019 · base-api.io · its alternatives →

  22. 22

    Verify users globally in as little as 10 seconds

    2022 · plaid.com · its alternatives →

  23. 23

    Non-KYC Identity Verification Platform for Creators

    2021 · verifiedcreators.io · its alternatives →

  24. 24

    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…

    Aug 2026 · loginwithone.com · its alternatives →

Also compare

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 →