What should I use to add role-based access control with SSO?

To add role-based access control (RBAC) with SSO, the best choice usually depends on whether you want a hosted identity provider or a self-managed auth system.

Good options

1. Auth0

• Easy to set up
• Supports SSO, RBAC, OAuth/OIDC/SAML
• Good if you want a polished managed solution
• Best for: fast implementation, SaaS apps

2. Okta

• Strong enterprise SSO and access management
• Good RBAC / group claims support
• Best for: enterprise environments, internal tools, B2B products

3. Azure AD / Entra ID

• Great if your org already uses Microsoft 365 / Azure
• Strong SSO for enterprise users
• RBAC usually maps through groups/roles
• Best for: Microsoft-centric organizations

4. Keycloak

• Open-source and self-hosted
• Supports SSO, OIDC, SAML, role mapping
• Best for: teams that want control and lower licensing cost

5. AWS Cognito

• Works well if you’re already on AWS
• Supports federated login / SSO via OIDC/SAML
• RBAC is possible, but less ergonomic than Auth0/Okta
• Best for: AWS-native apps

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Rule of thumb

• Need fastest/easiest: Auth0
• Need enterprise SSO: Okta or Entra ID
• Need open-source/self-hosted: Keycloak
• Already on AWS: Cognito

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Important note

RBAC is usually implemented by:

• assigning users to roles/groups in the identity provider
• passing those roles/groups in the token/claims
• enforcing permissions in your app/API

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If you want, I can recommend the best option for your stack if you tell me:

• your app type (web/mobile/backend)
• your cloud provider
• whether you need SAML, OIDC, or both
• whether you want hosted vs self-hosted