WinDirStat
WizTree
TreeSize
DiskUsage
GrandPerspective
SequoiaView
DaisyDisk
SpaceObServer is a powerful and flexible hard disk space manager for Windows.

SpaceSniffer
Baobab
TreeSize
Disk Inventory X
JDiskReport
Jam TreeSize Free
Folder Size Catalog
GD Map is a free little utility to visualize the availability of disk space in the system.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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SOS
SpaceObServer
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|---|---|---|
| Website | jam-software.com | gdmap.sourceforge.net |
| Listed in |
What each product offers, as listed by its team.

No features have been listed yet.
Possible disadvantages
An editorial look at what each product does well and who it suits.

Overall verdict
Why this product is good
Recommended for
No analysis of GD Map yet.
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using SpaceObServer and GD Map. For example, how are they different and which one is better?
When comparing SpaceObServer and GD Map, you can also consider the following products.

WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.
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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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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.
Compare WizTree to SpaceObServer or GD Map:

Distributor of workload automation, financial statement reporting, data access, IT Asset Management and Service Desk software solutions.
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TreeSize tells you where precious disk space has gone to.
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DiskUsage provides a way to find out which files and directories on the SD card of your Android...
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