TreeSize Free 4.8.1.610
Every hard disk is too small if you just wait long enough. TreeSize Free tells you where precious disk space has gone.
JAM Software software
DlSoftware247 lists 5 Windows programs by JAM Software, mostly Disk & Partition, File managers, Measurement software. The most popular are TreeSize Free, TreeSize, UltraSearch.
TreeSize 9.9.1
With TreeSize, you can analyze your most important storage systems and directly manage and clean up your files.
UltraSearch 4.9.4
UltraSearch Setup
HeavyLoad 4.0
Bring your PC to its limits with the freeware stress test tool HeavyLoad. HeavyLoad puts your workstation or server PC under a heavy load and lets you test whether they will still run reliably.
FileList 5.0
FileList is a command-line utility that generates a CSV file listing the contents of a given directory.