WSO2 Identity Server vs Casdoor

WIWSO2 Identity Server9.1Visit Casdoor8.6Visit

Higher score WI WSO2 Identity Server #3 in OAuth Server Software 9.1/10 Free plan Free plan✓ 0 of 5 features Visit WSO2

vs

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

• WSO2 Identity Server fits best

  Enterprise self-hosted IAM

• Casdoor fits best

  Free self-hosted OAuth deployments

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Side by side

Feature	WIWSO2 Identity Server 9.1/10 Visit ↗	Casdoor 8.6/10 Visit ↗
At a glance
Editor score	9.1	8.6
Ranking	#3 in OAuth Server Software	#8 in OAuth Server Software
Best for	Enterprise self-hosted IAM	Free self-hosted OAuth deployments
Pricing model	Free	Free
Starting price	Free plan	Free plan
Free plan	✓	✓
Free trial	—	—
Deployment	Self-hosted	Self-hosted
Integrations	5 integrations	100+ integrations
Features WSO2 Identity Server 0/5 · Casdoor 5/5
OpenID Connect	Not checked yet	✓ (best)
SAML support	Not checked yet	✓ (best)
Self-hosting	Not checked yet	✓ (best)
Token introspection	Not checked yet	✓ (best)
Machine-to-machine auth	Not checked yet	✓ (best)
Specs
Deployment model	Not checked yet	Self_hosted
Our review
Pros	Free open-source deployment for self-hosted identity management Supports OAuth, OpenID Connect, SAML 2.0, MFA, and adaptive authentication Connects LDAP, Active Directory, JDBC, and SCIM 2.0 environments	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	Broad feature coverage may require dedicated administration Self-hosted deployment places infrastructure responsibility on the organization Focused on enterprise IAM rather than a narrow OAuth-only use case	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	WSO2 Identity Server is an open-source identity and access management product for organizations building customer, workforce, partner, and API access systems. It supports self-hosted deployment and API use, with capabilities spanning… 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

• WSO2 Identity Server — where it wins

  • Free open-source deployment for self-hosted identity management
  • Supports OAuth, OpenID Connect, SAML 2.0, MFA, and adaptive authentication
  • Connects LDAP, Active Directory, JDBC, and SCIM 2.0 environments

  Where it doesn't

  • Broad feature coverage may require dedicated administration
  • Self-hosted deployment places infrastructure responsibility on the organization
  • Focused on enterprise IAM rather than a narrow OAuth-only use case

• 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

• WIWSO2 Identity Server9.1/10 · Free plan

  A broad self-hosted IAM platform for enterprise OAuth, OIDC, SAML, and provisioning needs.

  Visit WSO2Full verdict →
• Casdoor8.6/10 · Free plan

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

  Visit CasdoorFull verdict →