Microsoft Corporation
azure.microsoft.com/en-us/products/active-directoryCompare catalogue facts and required capabilities for Microsoft Entra ID (Azure AD). Hosting and operating responsibilities need a separate deployment review.
No migration guide is currently listed for this service.
Open source identity infrastructure with multi-tenant support
Self-hosted open-source identity provider with SAML, OAuth2, and LDAP
Why listed: Germany-based but fully self-hostable. Deploy on EU servers for data sovereignty.
Open source identity and access management server
Why listed: United States-based but fully self-hostable. Deploy on EU servers for data sovereignty.