Lingering Object Liquidator (Install)
Automates the discovery and removal of lingering AD forest objects
WMI Explorer (Install)
WMI Explorer is a utility intended to provide the ability to browse and view WMI namespaces/classes/instances/properties in a single pane of view.
SharePoint Online Management Shell (Install)
The SharePoint Online Management Shell is a tool that contains a Windows PowerShell Module to manage your SharePoint Online subscription in the Office 365.