Alternatives

Products that do what authzed does

The platform to store, compute, and validate app permissions

1. 1
   Authorizer▲296

   Open source authentication and authorization solution

   2021

2. 2
   Authentiq▲157

   Strong authentication, without the passwords

   2017

3. 3
   Autho▲152

   cross-platform login box for web and native apps.

   2014

4. 4
   Warrant▲134

   APIs for authorization and access control

   2021

5. 5
   DID▲180

   The simplest way to add passwordless auth to websites & apps

   2020

6. 6
   Autoproof▲247

   Protect your company codebase

   2023

7. 7
   Permify React Roles▲109

   Manage roles & permissions in your React applications

   2022

8. 8
   Cred▲97

   OAuth credential delegation for AI agents

   Apr 2026

9. 9
   Authorizer▲21

   Open-source auth for enterprise applications, and AI agents

   4d ago · authorizer.dev

10. 10
    SimpleID▲150

    Add decentralized auth and storage to your app in 10 minutes

    2019

11. 11
    Tesseral▲141

    Open source authentication infrastructure for B2B software

    2025

12. 12
    AuthPass▲75

    Simple, open source, cross platform password manager 😅️

    2020

13. 13
    PropelAuth▲112

    Flexible auth for B2B products

    2023

14. 14HO
    Hydra – Open-Source OAuth2 Server▲190

    2019 · gethydra.sh

15. 15
    Authsignal▲125

    Passwordless auth, fraud analytics and step-up rules in mins

    2022

16. 16
    Authy▲177

    Dead simple two-factor authentication optimized for devs

    2014

17. 17
    Authenteq▲78

    User-owned and controlled blockchain-based online ID

    2019

18. 18OS
    Open-Source Auth for NextJS / React▲107

    2021 · ory.dev

19. 19
    FusionAuth▲120

    Auth for any app. Get every feature. Deploy everywhere.

    2018

20. 20
    SuperTokens▲146

    Open source email & password auth for developers

    2020

21. 21
    Authgear ONCE▲82

    Own your auth without subscription

    2025

22. 22
    Protected App by Logto▲117

    Build auth in clicks, no code required

    2024

23. 23
    ePersonate▲73

    Impersonation as a service

    2020

24. 24NA
    Nile-Auth – open-source auth designed for multi-tenant apps▲5

    There are quite a few authentication services and libraries out there, but the vast majority treats tenants / organizations as an afterthought - in case of Firebase, tenants are literally in a different product. In B2B apps, users, tenants and data as fundamentally interrelated - users belong to tenants and authenticate in order to access data that belongs to the tenant. This means that user and auth data belong in the same database where the tenant data is stored (in our case, Postgres), and that the database should be aware of the user identity and control the access to tenant data.…

    2025 · github.com

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