Neither Keycloak nor Ping Identity offers a free trial.
Keycloak is designed for Medium Business and Small Business.
Ping Identity is designed for Large Enterprises and Medium Business.
The starting price of Ping Identity begins at $5/User/Month, while pricing details for Keycloak are unavailable.
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 Ping Identity includes SailPoint IdentityIQ, ForgeRock Identity Platform, Keycloak, Azure AD, Ping Intelligent Identity, One Identity, OneLogin, Auth0, Frontegg, SAASPASS and PingFederate.