
WinDirStat
WizTree
TreeSize
Baobab
Fences
JDiskReport
Disk Inventory X
SpaceSniffer is a freeWare (donations are welcome) and portable tool application that lets you understand how folders and files are structured on your disks.

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Website, pricing, platforms and company facts side by side.
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| Website | uderzo.it | opalstack.com |
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When comparing SpaceSniffer and Opalstack, you can also consider the following products.

WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.
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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.
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TreeSize tells you where precious disk space has gone to.
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Distributor of workload automation, financial statement reporting, data access, IT Asset Management and Service Desk software solutions.
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Keep your desktop organized with Fences. This is a simple software program that allows you to sort the tabs on your desktop and create files that are easily recognizable to you.
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JDiskReport enables you to understand how much space the files and directories consume on your disk...
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