Okta - Enterprise-grade identity management for all your apps, users & devices
Keycloak - Open Source Identity and Access Management for modern Applications and Services.
OneLogin - On-demand SSO, directory integration, user provisioning and more
Auth0 - Auth0 is a program for people to get authentication and authorization services for their own business use.
CAS - Apereo CAS - Enterprise Single Sign On for the Web
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 …