SHSelfHostIndex

Shibboleth Identity Provider vs WSO2 Identity Server

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?
SH Shibboleth Identity Provider Standards-based SAML identity provider for federations VS WS WSO2 Identity Server Open-source identity and access management server
FeatureShibboleth Identity ProviderWSO2 Identity Server
Deploy effortUnder-an-hour setupUnder-an-hour setup
CategoryIdentity & SSOIdentity & SSO
LicenseApache-2.0Apache-2.0
LanguageJavaJava
Setup difficultyHardHard
Min. RAM1,024 MB4,096 MB
Deploymentbare-metal, docker, sourcedocker, kubernetes, bare-metal
GitHub stars★ 200★ 880
First released20032007
ReplacesOkta, Ping IdentityOkta, ForgeRock

What are Shibboleth Identity Provider and WSO2 Identity Server?

Shibboleth Identity Provider

The Shibboleth Identity Provider is an open-source SAML identity provider widely used in research and education federations. It enables secure single sign-on and attribute release across organizations.

  • SAML 2.0 identity provider
  • Attribute resolution and release policies
  • Federation metadata support
  • Used by academic federations worldwide

WSO2 Identity Server

WSO2 Identity Server is an open-source IAM product that provides single sign-on, identity federation, and strong authentication. It supports SAML, OpenID Connect, and adaptive authentication policies.

  • Single sign-on
  • Identity federation
  • Adaptive authentication
  • Standards support

Shibboleth Identity Provider vs WSO2 Identity Server: key differences

Both projects are written in Java. Shibboleth Identity Provider is the lighter option, starting around 1,024 MB of RAM against 4,096 MB for WSO2 Identity Server. Shibboleth Identity Provider is the more established project (first released 2003), while WSO2 Identity Server arrived in 2007. WSO2 Identity Server has the considerably larger community, at 880 GitHub stars versus 200.

Why pick each one

Choose Shibboleth Identity Provider if…

  • Gold standard for SAML federations
  • Highly configurable

Watch out for

  • Complex setup
  • SAML-centric
Shibboleth Identity Provider details

Choose WSO2 Identity Server if…

  • Enterprise feature set
  • Strong standards coverage

Watch out for

  • Resource heavy
  • Complex tuning
WSO2 Identity Server details

Frequently asked questions

Is Shibboleth Identity Provider or WSO2 Identity Server better?

Neither is universally better. WSO2 Identity Server has the larger community; both share a hard setup difficulty, so the decision comes down to features and licensing.

Are Shibboleth Identity Provider and WSO2 Identity Server free and open-source?

Yes. Shibboleth Identity Provider is licensed under Apache-2.0 and WSO2 Identity Server under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Shibboleth Identity Provider and WSO2 Identity Server with Docker?

Shibboleth Identity Provider: yes. WSO2 Identity Server: yes.

Which is lighter on resources, Shibboleth Identity Provider or WSO2 Identity Server?

Shibboleth Identity Provider has the smaller minimum footprint at 1,024 MB of RAM, compared to about 4,096 MB for WSO2 Identity Server. Real-world usage depends on library size, user count, and enabled features.

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