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Head-to-head · Single Sign-On Software

WSO2 Identity Server vs Zoho Directory

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score WSO2 Identity Server #2 in Single Sign-On Software 9.2/10 Free plan Free plan✓ 1 of 2 features Visit WSO2
Zoho Directory #8 in Single Sign-On Software 8.6/10 Free plan · 45-day trial Free planFree trial✓ 2 of 2 features Visit Zoho Directory

WSO2 Identity Server leads on 0 checks, Zoho Directory on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreWSO2 Identity Server · 9.2/10
  • Free planboth
  • Free trialonly Zoho Directory
  • Most featuresZoho Directory · 2 of 2

WSO2 Identity Server scores higher on our rubric for single sign-on software: 9.2 against 8.6 out of 10; our editors rank them #2 and #8.

WSO2 Identity Server is the better fit for self-hosted enterprise IAM deployments. Zoho Directory is the better fit for small teams wanting low-cost application SSO.

  • WSO2 Identity Server fits best

    Self-hosted enterprise IAM deployments

  • Zoho Directory fits best

    Small teams wanting low-cost application SSO

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 WSO2 Identity Server 9.2/10 Visit ↗ Zoho Directory 8.6/10 Visit ↗
At a glance
Editor score 9.2 8.6
Ranking #2 in Single Sign-On Software #8 in Single Sign-On Software
Best for Self-hosted enterprise IAM deployments Small teams wanting low-cost application SSO
Pricing model Free Free plan + paid
Starting price Free plan —
Free plan ✓ ✓
Free trial — 45 days
Deployment Self-hosted Cloud, Mobile
Integrations 5 integrations 8 integrations
Features WSO2 Identity Server 1/2 · Zoho Directory 2/2
Built-in MFA Not checked yet ✓ (best)
Adaptive access ✓ ✓
Specs
SSO protocols OAuth, OpenID Connect, SAML 2.0 SAML 2.0, OpenID Connect (OIDC), JWT
Directory integrations Not checked yet Microsoft Active Directory, Azure AD, LDAP
Lifecycle provisioning Not checked yet Scim
Prebuilt app count Not checked yet 350
Our review
Pros
  • Supports OAuth, OpenID Connect, and SAML 2.0 for enterprise SSO
  • Combines MFA, adaptive authentication, federation, and social login
  • Connects LDAP, Active Directory, JDBC, SCIM 2.0, and SAML identity providers
  • Free plan includes SSO, MFA, provisioning, and conditional access
  • Supports 350 prebuilt apps plus custom SAML 2.0 and OIDC apps
  • SCIM, API provisioning, directory sync, and adaptive access support
Cons
  • Self-hosted deployment places infrastructure responsibility on your team
  • Its broad IAM scope may exceed the needs of basic SSO deployments
  • The product is primarily positioned for developers and administrators
  • Free plan is limited to 10 users and 3 applications
  • Custom provisioning and custom access policies start on Standard
  • Cloud LDAP and Cloud RADIUS are unlimited only on Professional
Our verdict

WSO2 Identity Server is an open-source identity and access management product for organizations building workforce, customer, partner, and API access systems. It supports single sign-on, identity federation, social login, multi-factor…

Read the review →

Zoho Directory is a workforce identity and access management platform for organizations managing employee identities, application access, authentication, and security policies. It is suited to small teams that need application SSO without…

Read the review →
  1. WSO2 Identity ServerSingle Sign-On Software 9.2Free plan
  2. Zoho DirectorySingle Sign-On Software 8.6Free plan · 45-day trial

Strengths and trade-offs

  • WSO2 Identity Server — where it wins

    • Supports OAuth, OpenID Connect, and SAML 2.0 for enterprise SSO
    • Combines MFA, adaptive authentication, federation, and social login
    • Connects LDAP, Active Directory, JDBC, SCIM 2.0, and SAML identity providers

    Where it doesn't

    • Self-hosted deployment places infrastructure responsibility on your team
    • Its broad IAM scope may exceed the needs of basic SSO deployments
    • The product is primarily positioned for developers and administrators

  • Zoho Directory — where it wins

    • Free plan includes SSO, MFA, provisioning, and conditional access
    • Supports 350 prebuilt apps plus custom SAML 2.0 and OIDC apps
    • SCIM, API provisioning, directory sync, and adaptive access support

    Where it doesn't

    • Free plan is limited to 10 users and 3 applications
    • Custom provisioning and custom access policies start on Standard
    • Cloud LDAP and Cloud RADIUS are unlimited only on Professional
  • WSO2 Identity Server9.2/10 · Free plan

    A broad, self-hosted IAM platform for enterprise SSO, federation, MFA, and API security.

    Visit WSO2Full verdict →
  • Zoho Directory8.6/10 · Free plan · 45-day trial

    A broad SSO and identity toolkit with a useful free tier for small teams.

    Visit Zoho DirectoryFull verdict →

More comparisons

All single Sign-On software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update