What are some alternatives?
When comparing Auth0 and Google Cloud IAM, you can also consider the following products
Okta - Enterprise-grade identity management for all your apps, users & devices
OneLogin - On-demand SSO, directory integration, user provisioning and more
LoginRadius - Loginradius is a cloud-based customer identity and access management platform. LoginRadius empowers businesses to deliver a delightful customer experience without compromising security.
Atlassian Crowd - Crowd is a single sign-on and user identity solution.
Ping Identity - Ping Identity provides cloud-based, single sign-on and identity management solutions with their SAML SSO.
Amazon Cognito - Amazon Cognito lets you add user sign-up, sign-in, and access control to your web and mobile apps quickly and easily. It scales to millions of users and supports sign-in with social identity providers and enterprise identity providers via SAML 2.0.