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Auth0 vs Keycloak

How the two compare on license, platforms and what the community thinks.

Key differences

  • Auth0 is freemium; Keycloak is open source.
  • Only Auth0 is available on Web.
  • Only Keycloak is available on Self-hosted.
Feature Auth0 Keycloak
What it isEnterprise identity platformSelf-hosted identity server
LicenseFreemiumOpen source
Web
Windows
macOS
Linux
iOS
Android
Self-hosted
RatingNo reviews yetNo reviews yet
Alternatives listed20
Page views7388

About Auth0

SSO, social logins and extensive protocols from Okta. The heavyweight when compliance and enterprise IdPs matter.

About Keycloak

Open-source SSO, user federation and admin console. The Auth0 alternative when identity has to live on your servers.