Casdoor
Casdoor: A free, self-hosted OAuth and identity platform with broad protocol support. Ranked #8 of 33 in OAuth Server Software by our editors (8.6/10); pricing: Free plan; best for free self-hosted OAuth deployments.
At a glance
- Editor score8.6 / 10
- PricingFree plan
- Best forFree self-hosted OAuth deployments
- Free planYes
- Paid fromFree
- OpenID ConnectYes
- Facts checked22 Sep 2026
Where it wins
- OAuth 2.0, OpenID Connect, SAML, LDAP, and SCIM support
- Includes token introspection, machine-to-machine auth, MFA, and WebAuthn
- REST API, SDK integration, policies, and application management
Where it doesn't
- Self-hosted deployment requires an organization-managed environment
- Its listed integrations are narrower than its protocol coverage
- The broad identity feature set may exceed simple OAuth-only needs
Our verdict on Casdoor
Casdoor is an open-source identity and access management platform for organizations building web applications, APIs, and AI-agent workflows. It provides OAuth 2.0 authorization and token issuance, OpenID Connect authentication, SAML 2.0 identity provider support, LDAP and SCIM integration, and a web administration interface. The platform supports deployment on Windows, Linux, and macOS, along with API-based integration and self-hosting.
Casdoor's free, self-hosted model suits teams that want control over deployment and identity infrastructure without a paid license. Its protocol coverage extends beyond OAuth: client credentials support machine-to-machine authentication, RFC 7662 enables token introspection, and role-, attribute-, and access-control policies support more detailed authorization requirements. MFA and WebAuthn add authentication options, while user, organization, and application management provide administrative scope.
Integration options include Google, GitHub, WeChat, Azure AD, and Amazon S3. Casdoor also exposes a REST API and SDK integration for applications, scripts, and service-to-service authentication. The trade-off is focus: organizations seeking a free deployment with OAuth, OIDC, SAML, directory integration, and policy controls should find the feature set relevant, while teams needing only a narrow OAuth layer may prefer a simpler product. Casdoor is the stronger fit for self-hosted identity projects than for buyers looking for a managed service experience.
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Casdoor pricing
Casdoor fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| OpenID Connect | Yes |
| SAML support | Yes |
| Self-hosting | Yes |
| Token introspection | Yes |
| Machine-to-machine auth | Yes |
| Deployment model | Self_hosted |
| Deployment | Self-hosted |
| Platforms | Web, Windows, macOS, Linux |
| Support | Community, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 100+ integrations: Google, GitHub, WeChat, Azure AD, Amazon S3 See all → |
| Pricing | Free plan |
| Website | casdoor.ai |
| Facts checked | 22 Sep 2026 |
Casdoor integrations
Casdoor lists 100+ integrations on its own site — the 5 named here are the ones its pages call out.
- GitHub
- Azure AD
- Amazon S3
See all Casdoor integrations →
Alternatives to Casdoor
- KeycloakA broad, self-hosted IAM server for standards-based authentication and authorization.9.4
- authentikA broad, self-hosted identity stack for teams that need open-source control.9.2
- WSO2 Identity ServerA broad self-hosted IAM platform for enterprise OAuth, OIDC, SAML, and provisioning needs.9.1
See all Casdoor alternatives →
Casdoor vs the competition
- Casdoor vs Keycloak
- Casdoor vs authentik
- Casdoor vs WSO2 Identity Server
- Casdoor vs Apereo CAS
- Casdoor vs OpenIddict
- Casdoor vs Ory
Compare Casdoor with any tool side by side →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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