Yes, both Crowd and Auth0 offer a Free Trial.
Crowd is designed for Large Enterprises, Medium Business and Small Business.
Auth0 is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Crowd begins at $5,000/Year, while pricing details for Auth0 are unavailable.
Some top alternatives to Crowd includes OneLogin, SecureAuth, Frontegg, Login-Master, MojoAuth, SAASPASS, Bare.ID, AWS Single Sign-On, Oracle SSO, NetIQ SecureLogin and miniOrange Single Sign-On.
Some top alternatives to Auth0 includes Cognito, Keycloak, Omada CIAM, LoginRadius, Ubisecure CIAM, Simeio, Akamai Identity Cloud, Frontegg, ReachFive and OneWelcome.