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FusionAuthKeycloak
Freemium

Free Community edition to download, with paid plans and hosted deployments.

 Free

Free and open source under the Apache 2.0 licence.

Web, Self-hosted Self-hosted
  • Can run self-hosted, on-premises or air-gapped
  • Supports SSO, MFA, OAuth2 and OpenID Connect
  • Single sign-on and single sign-out across applications
  • Supports OpenID Connect and SAML 2.0 identity brokering
  • Aimed at developers building apps rather than managing staff accounts
  • Advanced features require paid plans
  • Setting it up and securing it takes real administrative effort
  • More than most single-user homelabs need
Self-hosted, Hosted service Self-hosted
Closed source Open source
License not stated License: Apache-2.0
Not stated if an account is needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 24, 2026

Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.