FusionAuth

Source-available CIAM; Community self-host free unlimited users

Auth / Auth · Freemium

Reviewed 2026-09-04

What's Good

Community Edition: free forever self-host, unlimited users/MAU — OIDC/OAuth/SAML, MFA basics, themes, APIs, Lambdas, multi-tenancy. Flat paid tiers (not per-MAU) for advanced MFA, breached-password, SCIM, theming extras, support. Cloud hosting optional.

The Catch

NOT open source — source-available proprietary CE. Vs Keycloak/ZITADEL/Ory: easier admin UX + flat pricing, but you cannot fork freely like Apache/AGPL IdPs. Premium features and FusionAuth Cloud are paid. Ops burden is yours on CE.

Verdict

Free unlimited self-host CIAM. Not OSS; paid for premium/Cloud.

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