Apereo CAS vs Casdoor

Apereo CAS9.0Visit Casdoor8.6Visit

Higher score Apereo CAS #4 in OAuth Server Software 9.0/10 Free plan Free plan✓ 5 of 5 features Visit Apereo CAS

vs

Casdoor #8 in OAuth Server Software 8.6/10 Free plan Free plan✓ 5 of 5 features Visit Casdoor

• Apereo CAS fits best

  Auditable open-source SSO infrastructure

• Casdoor fits best

  Free self-hosted OAuth deployments

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Side by side

Feature	Apereo CAS 9.0/10 Visit ↗	Casdoor 8.6/10 Visit ↗
At a glance
Editor score	9.0	8.6
Ranking	#4 in OAuth Server Software	#8 in OAuth Server Software
Best for	Auditable open-source SSO infrastructure	Free self-hosted OAuth deployments
Pricing model	Free	Free
Starting price	Free plan	Free plan
Free plan	✓	✓
Free trial	—	—
Deployment	Self-hosted	Self-hosted
Platforms	Web, Linux	Web, Windows, macOS, Linux
Support	Docs	Community, Docs
Integrations	13 integrations	100+ integrations
Built for	Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features Apereo CAS 5/5 · Casdoor 5/5
OpenID Connect	✓	✓
SAML support	✓	✓
Self-hosting	✓	✓
Token introspection	✓	✓
Machine-to-machine auth	✓	✓
Specs
Deployment model	Self_hosted	Self_hosted
Our review
Pros	Supports CAS, SAML, OAuth 2.0, OpenID Connect, REST, and WS-Federation Connects authentication to LDAP, databases, X.509, RADIUS, MongoDB, and more Includes token introspection, machine-to-machine auth, auditing, and monitoring	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
Cons	Self-hosted deployment requires internal infrastructure ownership Its broad configuration surface may require specialist identity expertise Best suited to organizations able to manage a Java-based identity server	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	Apereo CAS is an open-source Java server for authentication, authorization, identity management, and single sign-on. It is designed for organizations that need a self-managed identity provider, including enterprise and higher-education… Read the review →	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… Read the review →

Strengths and trade-offs

• Apereo CAS — where it wins

  • Supports CAS, SAML, OAuth 2.0, OpenID Connect, REST, and WS-Federation
  • Connects authentication to LDAP, databases, X.509, RADIUS, MongoDB, and more
  • Includes token introspection, machine-to-machine auth, auditing, and monitoring

  Where it doesn't

  • Self-hosted deployment requires internal infrastructure ownership
  • Its broad configuration surface may require specialist identity expertise
  • Best suited to organizations able to manage a Java-based identity server

• Casdoor — 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

• Apereo CAS9.0/10 · Free plan

  A broad, auditable SSO foundation for teams prepared to run identity infrastructure.

  Visit Apereo CASFull verdict →
• Casdoor8.6/10 · Free plan

  A free, self-hosted OAuth and identity platform with broad protocol support.

  Visit CasdoorFull verdict →