Keycloak vs RSA ID Plus

Keycloak9.0Visit RSA ID Plus8.3Visit

Higher score Keycloak #3 in Authentication Software 9.0/10 Open source ✓ 1 of 2 features Visit Keycloak

vs

RSA ID Plus #7 in Authentication Software 8.3/10 Paid ✓ 0 of 2 features Visit RSA ID Plus

• Keycloak fits best

  Teams wanting self-hosted, open-source identity

• RSA ID Plus fits best

  Hybrid enterprises needing broad access controls

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Side by side

Feature	Keycloak 9.0/10 Visit ↗	RSA ID Plus 8.3/10 Visit ↗
At a glance
Editor score	9.0	8.3
Ranking	#3 in Authentication Software	#7 in Authentication Software
Best for	Teams wanting self-hosted, open-source identity	Hybrid enterprises needing broad access controls
Pricing model	Free	Paid
Starting price	Open source	—
Free plan	Not checked yet	—
Free trial	—	—
Deployment	Cloud, Desktop, Self-hosted	Cloud, Self-hosted
Platforms	Web, Windows, Linux	Web
Integrations	10 integrations	8 integrations
Features Keycloak 1/2 · RSA ID Plus 0/2
Passkey sign-in	Not checked yet	Not checked yet
Directory sync	✓ (best)	Not checked yet
Specs
Monthly active users	Not checked yet	Not checked yet
Auth protocols	Not checked yet	Not checked yet
MFA methods	Not checked yet	Not checked yet
Deployment	Not checked yet	Not checked yet
Our review
Pros	Supports OpenID Connect, OAuth 2.0, and SAML 2.0. Offers LDAP and Active Directory federation plus social login. Includes TOTP, HOTP, WebAuthn/passkeys, and authorization policies.	Supports cloud, hybrid, and on-premises deployment models. Combines SSO, MFA, passwordless, adaptive access, and federation. Offers RADIUS and nearly 2,000 prebuilt integration templates.
Cons	Organizations must deploy and manage the server themselves. SCIM user and group management is a preview feature. SCIM is disabled by default.	No free plan; RSA ID Plus is a paid product. ID Plus C1 is limited to cloud-only authentication. Capabilities such as adaptive access and AI vary by subscription tier.
Our verdict	Keycloak is an open-source identity and access management server for teams securing web applications, REST services, and other applications. Its self-hosted approach suits organizations that want to manage identity infrastructure… Read the review →	RSA ID Plus is an identity and access management platform for government, financial services, and other high-assurance organizations. It brings together single sign-on, multifactor authentication, passwordless access with FIDO2 and… Read the review →

Strengths and trade-offs

• Keycloak — where it wins

  • Supports OpenID Connect, OAuth 2.0, and SAML 2.0.
  • Offers LDAP and Active Directory federation plus social login.
  • Includes TOTP, HOTP, WebAuthn/passkeys, and authorization policies.

  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.

• RSA ID Plus — where it wins

  • Supports cloud, hybrid, and on-premises deployment models.
  • Combines SSO, MFA, passwordless, adaptive access, and federation.
  • Offers RADIUS and nearly 2,000 prebuilt integration templates.

  Where it doesn't

  • No free plan; RSA ID Plus is a paid product.
  • ID Plus C1 is limited to cloud-only authentication.
  • Capabilities such as adaptive access and AI vary by subscription tier.

• Keycloak9.0/10 · Open source

  A self-hosted, open-source identity server with broad protocol and MFA support.

  Visit KeycloakFull verdict →
• RSA ID Plus8.3/10 · Paid

  Broad authentication controls for hybrid enterprises, with capabilities varying by paid tier.

  Visit RSA ID PlusFull verdict →