WinDirStat - WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.
Soti MobiControl - SOTI MobiControl is an enterprise mobility management solution.
TreeSize - TreeSize tells you where precious disk space has gone to.
Cisco Meraki Systems Manager - Cisco Meraki Systems Manager offers cloud-based mobility management solutions.
SpaceSniffer - SpaceSniffer is a freeWare (donations are welcome) and portable tool application that lets you understand how folders and files are structured on your disks.
AppTec 360 - AppTec 360 offers enterprise mobility management solution.