Alternatives

Products that do what oso – Open-Source Policy Engine for Authorization does

1. 1PS
   Policy_sentry, an AWS IAM Least Privilege Policy Generator▲97

   2019 · github.com

2. 2HO
   Hydra – Open-Source OAuth2 Server▲190

   2019 · gethydra.sh

3. 3CA
   Commento: a fast, privacy-focused alternative to Disqus▲271

   2019 · commento.io

4. 4SA
   SeKey: An SSH Agent for OS X, Using Secure Enclave and TouchID, in Rust▲169

   2017 · github.com

5. 5OP
   Open Policy Registry: a Docker-inspired workflow for OPA policies▲26

   2022 · openpolicyregistry.io

6. 6FO
   Fosite – OAuth2 framework for Go▲38

   2016 · github.com

7. 7AT
   AdminJS, the Backend-Agnostic Administration Framework▲119

   2013 · adminjs.com

8. 8TA
   Tankman – An Open Source User Management and Authorization MicroService▲7

   2023 · github.com

9. 9OO
   Osso – Open-source SAML SSO service▲41

   2021 · github.com

10. 10FT
    Fregot: tools for working with the Rego policy lang▲8

    2019 · github.com

11. 11OS
    Open-source Role management and Permissions Library▲7

    2022 · github.com

12. 12SA
    SimonSays, a Rails gem for declarative, role-based authorization▲7

    2014 · simonsays.onsimplybuilt.com

13. 13TF
    Termly – Free Policy Generators for Websites and Mobile Apps▲34

    2018 · termly.io

14. 14KO
    Klaro – open-source consent management for websites (GDPR and ePrivacy)▲24

    2018 · klaro.kiprotect.com

15. 15MO
    Monoid – Open-Source Privacy Automation (YC S21)▲9

    2023 · github.com

16. 16BA
    Beacon – a new open-source privacy and security-focused browser▲47

    2021 · impervious.com

17. 17GP
    Generating privacy policies for iOS apps from their code▲22

    2020 · github.com

18. 18OS
    Open Source Edge Proxy for Low Latency Distributed Authorization▲7

    2022 · github.com

19. 19AO
    AuthPlane – OAuth 2.1 and PKCE authorization server for MCP▲7

    Jun 2026 · github.com

20. 20TA
    Twofu: A Two-Factor Authenticator Command-Line App▲11

    2016 · github.com

21. 21DI
    Drov.io – plug-and-play user authentication and management platform▲15

    2015 · drov.io

22. 22AO
    An open source comparison of privacy extensions▲8

    2013 · areweprivateyet.com

23. 23AW
    A web app authorization crawler and scanner using Puppeteer▲5

    2019 · github.com

24. 24AA
    Authorization Academy – guides for building application authorization▲15

    2021 · osohq.com

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