Auth0 offers Free Trial, but Keycloak does not.
Keycloak is designed for Medium Business and Small Business.
Auth0 is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing details for both Keycloak and Auth0 are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Keycloak includes Okta, Oracle Identity Management, Cognito, SailPoint IdentityIQ, AWS IAM, Azure AD, One Identity, Microsoft Azure AD, Teamstack, Auth0 and Frontegg.
Some top alternatives to Auth0 includes Cognito, Keycloak, Omada CIAM, LoginRadius, Ubisecure CIAM, Simeio, Akamai Identity Cloud, Frontegg, ReachFive and OneWelcome.