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WSO2 Identity Server

Open-source identity and access management server

Identity & SSO ★ 884 stars Hard setup Apache-2.0

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.

Official siteSource code

Key features

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

Pros & cons

Strengths

  • Enterprise feature set
  • Strong standards coverage

Trade-offs

  • Resource heavy
  • Complex tuning

Is WSO2 Identity Server secure?

OSV.dev has no published security advisories for WSO2 Identity Server's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

WSO2 Identity Server replaces

Self-hosted Okta alternativesSelf-hosted ForgeRock alternatives

Health badge

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SelfHostIndex: 80 · excellent

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