The Microsoft.AzureStack.HCI.CSSTools module is designed to help Azure Stack engineers work more efficiently on Azure Stack systems. Core CSS diagnostic scripts and infrastructure helper functions are packaged in this module.

The Microsoft.AzStack.CSSTools.AppService module is designed to help Azure Stack Hub engineers work more efficiently on App Services deployed on Azure Stack Hub. Core CSS diagnostic scripts and infrastructure helper functions are packaged in this module.

The Microsoft.AzLocal.CSSTools module is designed to help support engineers work more efficiently on Azure Local systems. Core CSS diagnostic scripts and infrastructure helper functions are packaged in this module.