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Head-to-head · Customer Identity and Access Management Software

Keycloak vs WSO2 Identity Server

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Keycloak #4 in Customer Identity and Access Management Software 9.0/10 Open source ✓ 0 of 6 features Visit Keycloak
WSO2 Identity Server #8 in Customer Identity and Access Management Software 8.7/10 Free plan Free plan✓ 0 of 6 features Visit WSO2

Keycloak leads on 0 checks, WSO2 Identity Server on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreKeycloak · 9.0/10
  • Free planonly WSO2 Identity Server

Keycloak scores higher on our rubric for customer identity and access management software: 9.0 against 8.7 out of 10; our editors rank them #4 and #8.

Keycloak is the better fit for teams wanting open-source, self-hosted identity control. WSO2 Identity Server is the better fit for teams needing open-source, self-hosted CIAM breadth.

  • Keycloak fits best

    Teams wanting open-source, self-hosted identity control

  • WSO2 Identity Server fits best

    Teams needing open-source, self-hosted CIAM breadth

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Keycloak 9.0/10 Visit ↗ WSO2 Identity Server 8.7/10 Visit ↗
At a glance
Editor score 9.0 8.7
Ranking #4 in Customer Identity and Access Management Software #8 in Customer Identity and Access Management Software
Best for Teams wanting open-source, self-hosted identity control Teams needing open-source, self-hosted CIAM breadth
Pricing model Free Free
Starting price Open source Free plan
Free plan Not checked yet ✓ (best)
Free trial — —
Deployment Cloud, Desktop, Self-hosted Self-hosted
Integrations 10 integrations 5 integrations
Features Keycloak 0/6 · WSO2 Identity Server 0/6
Customer SSO Not checked yet Not checked yet
Social login Not checked yet Not checked yet
Adaptive authentication Not checked yet Not checked yet
Passkeys Not checked yet Not checked yet
Consent management Not checked yet Not checked yet
Customer profiles Not checked yet Not checked yet
Our review
Pros
  • Supports SSO plus OpenID Connect, OAuth 2.0, and SAML 2.0
  • Federates users from LDAP and Active Directory directories
  • Offers TOTP, HOTP, WebAuthn/passkeys, and recovery codes
  • Supports OAuth, OpenID Connect, and SAML 2.0 for SSO and federation
  • Includes adaptive authentication and multiple MFA methods
  • Connects to LDAP, Active Directory, JDBC, and SCIM 2.0
Cons
  • Organizations must deploy and manage the server themselves
  • SCIM user and group management is a preview feature
  • SCIM is disabled by default
  • Self-hosted deployment calls for developer and administrator involvement
  • Its platform options center on self-hosted software and APIs
  • The self-hosted edition's pricing is not clearly laid out
Our verdict

Keycloak is an open-source identity and access management server for securing web applications, REST services, and other applications. It suits teams that want to run identity infrastructure themselves and need standard authentication…

Read the review →

WSO2 Identity Server is open-source identity and access management software for organizations building customer, workforce, partner, and API access systems. It is designed for developers and administrators who need control over deployment…

Read the review →
  1. KeycloakCustomer Identity and Access Management Software 9.0Open source
  2. WSO2 Identity ServerCustomer Identity and Access Management Software 8.7Free plan

Strengths and trade-offs

  • Keycloak — where it wins

    • Supports SSO plus OpenID Connect, OAuth 2.0, and SAML 2.0
    • Federates users from LDAP and Active Directory directories
    • Offers TOTP, HOTP, WebAuthn/passkeys, and recovery codes

    Where it doesn't

    • Organizations must deploy and manage the server themselves
    • SCIM user and group management is a preview feature
    • SCIM is disabled by default

  • WSO2 Identity Server — where it wins

    • Supports OAuth, OpenID Connect, and SAML 2.0 for SSO and federation
    • Includes adaptive authentication and multiple MFA methods
    • Connects to LDAP, Active Directory, JDBC, and SCIM 2.0

    Where it doesn't

    • Self-hosted deployment calls for developer and administrator involvement
    • Its platform options center on self-hosted software and APIs
    • The self-hosted edition's pricing is not clearly laid out
  • Keycloak9.0/10 · Open source

    Self-hosted identity management with broad protocol, federation, and MFA support.

    Visit KeycloakFull verdict →
  • WSO2 Identity Server8.7/10 · Free plan

    A self-hosted CIAM option with broad authentication, federation, and provisioning capabilities.

    Visit WSO2Full verdict →

More comparisons

All customer identity and access management software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update