Microsoft Azure Active Directory - Azure Active Directory is a comprehensive identity and access management cloud solution that provides a robust set of capabilities to manage users and groups and help secure access to applications including Microsoft online services like Office 365 …
JumpCloud - Cloud-based directory services. Alternative to Microsoft Active Directory.
OneLogin - On-demand SSO, directory integration, user provisioning and more
Okta - Enterprise-grade identity management for all your apps, users & devices
Ping Identity - Ping Identity provides cloud-based, single sign-on and identity management solutions with their SAML SSO.
Auth0 - Auth0 is a program for people to get authentication and authorization services for their own business use.