Application name - WizTree
Vendor/Publisher - Antibody Software
Application Version - 3.15
Network install Guides/Documentation links - Deploy .exe with /SILENT and /NORESTART flags
Download links to the Software - http://antibody-software.com/web/software/software/wiztree-finds-the-files-and-folders-using-the-most-disk-space-on-your-hard-drive/
This does the same thing WinDirStat does except it scans MFT of NTFS columes so it is much, much faster. WinDirStat is already in the package library but it hasn't been updated since 2007. WizTree is under active development, last update was 19 October 2017.