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Open source vs Proprietary

Keycloak vs Kinde: Which One Should You Choose in 1970?

Keycloak is a open source Authentication & User Management tool priced as 100% Free Open-Source (Red Hat Community), starting at $0 (Free Self-Hosted). Kinde is proprietary, priced as per MAU tier plus enterprise features, starting at $25/mo (Pro).

Quick verdict

Choose Keycloak for
Keycloakcomplete enterprise SSO, LDAP/Active Directory sync, Kerberos, OpenID Connect
Choose Kinde for
Kindefast setup with prebuilt sign-in, sign-up and billing flows

Keycloak vs Kinde: feature comparison

FeatureKeycloakOpen SourceSelf-HostableKindeProprietary
Open-Source AvailableYesNo
Self-HostableYesNo
Self-Hosting DifficultyHigh (Java/Quarkus container, DB setup)N/A
Pricing Model100% Free Open-Source (Red Hat Community)Per MAU tier plus enterprise features
Starting Price$0 (Free Self-Hosted)$25/mo (Pro)
Free TierUnlimited users, unlimited realms, 100% freeFree up to 10,500 MAU
GitHub Stars24kN/A

Pricing takeaway

Keycloak starts at $0 (Free Self-Hosted) (unlimited users, unlimited realms, 100% free). Kinde starts at $25/mo (Pro) (free up to 10,500 MAU).

Keycloak
100% Free Open-Source (Red Hat Community). Starts at $0 (Free Self-Hosted). Unlimited users, unlimited realms, 100% free.Full Keycloak pricing breakdown
Kinde
Per MAU tier plus enterprise features. Starts at $25/mo (Pro). Free up to 10,500 MAU.Full Kinde pricing breakdown

Pros and cons

Pros

  • Complete enterprise SSO, LDAP/Active Directory sync, Kerberos, OpenID Connect
  • Multi-tenancy realms out of the box with zero user license fees
  • No vendor lock-in; ideal for on-premise and sensitive regulated data

Cons

  • High DevOps maintenance burden and Java memory footprint
  • Default login UI is dated and requires custom theme development
  • Major-version upgrades regularly need migration work on custom themes and providers

Pros

  • Fast setup with prebuilt sign-in, sign-up and billing flows
  • B2B organisations, roles and permissions on standard plans
  • Generous free MAU allowance for early products

Cons

  • Closed source with no self-hosting option
  • Advanced enterprise SSO and audit features cost extra
  • Newer ecosystem with fewer integrations than Auth0

Keycloak vs Kinde: FAQ

Is Kinde a good alternative to Keycloak?

Keycloak is a open source Authentication & User Management tool priced as 100% Free Open-Source (Red Hat Community), starting at $0 (Free Self-Hosted). Kinde is proprietary, priced as per MAU tier plus enterprise features, starting at $25/mo (Pro).

Which is cheaper, Keycloak or Kinde?

Keycloak starts at $0 (Free Self-Hosted) (unlimited users, unlimited realms, 100% free). Kinde starts at $25/mo (Pro) (free up to 10,500 MAU).

Is Keycloak or Kinde open source?

Keycloak is open source (github.com/keycloak/keycloak). Kinde is proprietary.

Can I self-host Keycloak or Kinde?

Keycloak can be self-hosted. Difficulty: High (Java/Quarkus container, DB setup). Kinde cannot be self-hosted.

Do Keycloak and Kinde have a free tier?

Keycloak: Unlimited users, unlimited realms, 100% free. Kinde: Free up to 10,500 MAU.