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

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

Possible disadvantages
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An editorial look at what each product does well and who it suits.

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

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

SpaceSniffer is a freeWare (donations are welcome) and portable tool application that lets you understand how folders and files are structured on your disks.
Compare SpaceSniffer to GD Map or SpaceObServer:

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

TreeSize tells you where precious disk space has gone to.
Compare TreeSize to GD Map or SpaceObServer:

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 GD Map or SpaceObServer:

Distributor of workload automation, financial statement reporting, data access, IT Asset Management and Service Desk software solutions.
Compare Baobab to GD Map or SpaceObServer:

Disk Inventory X is an open source disk space analyzer and disk management tool for the Mac OS X operating systems that allow the OS X users to check for the availability of free space in their machines.
Compare Disk Inventory X to GD Map or SpaceObServer: