Comparison

Keycloak vs WorkOS

No clear leader: Keycloak (71.8) and WorkOS (71.6) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Keycloak72
WorkOS72
Score
Vioscale score
Keycloak72 / 100low · 47%
WorkOS72 / 100medium · 72%
Pricing
Free tier
Keycloak
WorkOS
Model
Keycloakopen_source
WorkOSfreemium
Price level
Keycloakfree
WorkOSlow
Transparent
Keycloak
WorkOS
Integrations
Count
Keycloak10
WorkOS12
Security
Disclosure policy
Keycloak
WorkOS
Gdpr
Keycloak
WorkOS
Hipaa
Keycloak
WorkOS
Scorecard
Keycloak7.9
WorkOS
Soc2
Keycloak
WorkOS
Reliability
Sla pct
Keycloak
WorkOS99.99
Status page
Keycloak
WorkOS
Adoption
Dependent repos
Keycloak1,153
WorkOS
Github stars
Keycloak36,428
WorkOS
Package downloads weekly
Keycloak1,713,825
WorkOS
Activity
Commits last 30d
Keycloak100
WorkOS
Release
Cadence days
Keycloak13
WorkOS
History
Keycloak20 items
WorkOS
License
Spdx
KeycloakApache-2.0
WorkOS
Language
Primary
KeycloakJava
WorkOS

Capabilities

Feature-by-feature on the axes that matter for auth & identity software. “-” means undocumented, not absent.

Deployment
Hosting
KeycloakCloud + self-hosted
WorkOSCloud only
Methods
Social login
Keycloak
WorkOS
Passwordless
Keycloak
WorkOS
Passkeys / WebAuthn
Keycloak
WorkOS-
Multi-factor auth
Keycloak
WorkOS
Enterprise
SAML SSO
Keycloak
WorkOS
SCIM provisioning
Keycloak
WorkOS
B2B / multi-tenancy
Keycloak
WorkOS
Standards
OpenID Connect provider
Keycloak
WorkOS
Delivery
Hosted UI
KeycloakBoth
WorkOSBoth
Access
RBAC
Keycloak
WorkOS
Licensing
Self-hostable OSS core
Keycloak
WorkOS-

What each one is

The product in its own terms, so the numbers below have context.

Keycloak

Centralized authentication and authorization platform that manages user identity and access control across applications, reducing the need for individual apps to build their own login systems.

Independently observed

WorkOS

A developer-focused authentication platform that provides single sign-on, SCIM user provisioning, role-based access control, and multi-factor authentication for SaaS applications. Designed to help companies quickly support enterprise security requirements without extensive in-house implementation.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Keycloak

Open sourceFree tier

Free, open-source software

as of verify ↗

WorkOS

SubscriptionFree tier

Free up to 1,000,000 MAUs. $2,500/month per additional million MAUs. $125/month per SSO-enabled organization.

  • FreeFree
    • Single Sign-On (SAML & OIDC)
    • SCIM provisioning
    • Role-based access control
    • Bot detection
    • Identity linking
    • +5 more
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Keycloak
WorkOS
iOS
Keycloak
WorkOS
Windows
Keycloak
WorkOS
Linux
Keycloak
WorkOS
CLI
Keycloak
WorkOS
Deployment
Cloud / SaaS
Keycloak
WorkOS
Self-hosted
Keycloak
WorkOS
On-premise
Keycloak
WorkOS
Hybrid
Keycloak
WorkOS

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (2)
  • GitHub
  • Google

Keycloak

10 total - 8 not shared
  • Facebook
  • Twitter
  • LDAP
  • Active Directory
  • Kerberos
  • Kubernetes
  • Apache APISIX
  • OpenTelemetry
Independently observed

WorkOS

12 total - 10 not shared
  • LinkedIn
  • Slack
  • GitLab
  • Bitbucket
  • Xero
  • Rippling
  • ADP
  • Intuit
  • Microsoft
  • Apple
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.