Keycloak
keycloak.org
Open sourceNo card
CNCF open-source identity and access management server for SSO and OIDC/SAML
- Free tier
- Yes
- Per month
- Free
- MCP
- No
Why it's here
Free, mature self-hosted IAM covers broad enterprise needs, but deployment and maintenance are your responsibility.
Free tier
Completely free Apache 2.0 open-source software
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#17 of 26Free, mature self-hosted IAM covers broad enterprise needs, but deployment and maintenance are your responsibility.
| per month | Open sourceFreeSelf-hosted Apache 2.0 |
|---|---|
| Custom domain | |
| MFA | |
| SAML SSO | |
| Passkeys | |
| No vendor brand | |
| Organizations | |
| Roles & RBAC | |
| SCIM sync | |
| Audit logs | |
| Free MAU | 1000000 users/mo |