WinDirStat - WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.

Envoy - Visitor registration that's changing how guests are greeted in companies around the world.

WizTree - WizTree quickly finds the files and folders using the most space on your hard drive. It scans the MFT (Master File Table) instead of crawling the entire disk which makes it very fast.

TractionGuest - Safe, secure workplace for all.

TreeSize - TreeSize tells you where precious disk space has gone to.

The Receptionist - The Receptionost is a visitor managemnt solution that has visitor logging system to track visitor traffic.