SHSelfHostIndex

Authorizer vs Casdoor

A side-by-side comparison of two self-hosted identity & sso options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
AU Authorizer Open-source auth solution with a ready-made UI VS CA Casdoor UI-first identity and access management with SSO support
FeatureAuthorizerCasdoor
Deploy effortUnder-an-hour setupUnder-an-hour setup
Health score85 · Excellent94 · Excellent
CategoryIdentity & SSOIdentity & SSO
LicenseApache-2.0Apache-2.0
LanguageGoGo
Setup difficultyEasyMedium
Min. RAM256 MB256 MB
Deploymentdocker, binarydocker, kubernetes, binary
GitHub stars★ 2,007★ 14,465
First released20212021
ReplacesAuth0, Firebase AuthenticationAuth0, Okta

What are Authorizer and Casdoor?

Authorizer

Authorizer is a self-hosted authentication and authorization service that provides social login, email and OTP login, and roles through a GraphQL API. It ships with prebuilt login pages and SDKs.

  • Social and email login
  • GraphQL auth API
  • Prebuilt login UI
  • Role-based access control

Casdoor

Casdoor is an open-source identity and access management platform with a strong focus on a friendly user interface. It supports OAuth2, OIDC, SAML, CAS, LDAP and many social login providers.

  • Supports OAuth, SAML, CAS and LDAP
  • Dozens of built-in social login providers
  • Multi-tenant organization support
  • Web-based admin and login UI

Read the full Casdoor guide →

Authorizer vs Casdoor: key differences

Both projects are written in Go. Casdoor has the considerably larger community, at 14,465 GitHub stars versus 2,007.

Why pick each one

Choose Authorizer if…

  • Released under the Apache-2.0 license
  • Easy to set up — beginner-friendly
  • First-class Docker support for quick deployment
  • Active community (2k GitHub stars)
Authorizer details

Choose Casdoor if…

  • Polished out-of-the-box UI
  • Broad protocol support

Watch out for

  • Documentation can be uneven
Casdoor details

Frequently asked questions

Is Authorizer or Casdoor better?

Neither is universally better. Casdoor has the larger community, while Authorizer is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.

Are Authorizer and Casdoor free and open-source?

Yes. Authorizer is licensed under Apache-2.0 and Casdoor under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Authorizer and Casdoor with Docker?

Authorizer: yes. Casdoor: yes.

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