RidNacs

RidNacs is a very fast disk space usage analyzer for Microsoft Windows.

18 Alternatives To RidNacs

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Baobab

Distributor of workload automation, financial statement reporting, data access, IT Asset Management and Service Desk software solutions.
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DaisyDisk

DaisyDisk is a disk analyzer tool for OS X that visualizes hard disk usage and allows to free up hard disk space.

DiskUsage

DiskUsage provides a way to find out which files and directories on the SD card of your Android…

DiskWarrior

DiskWarrior, the world’s most advanced and highest rated hard disk, hard drive, and disk repair and data recovery tool for macOS, OS X and Mac OS X.

DiskWave

DiskWave is a free utility to help you determine where most of your hard drive space is consumed.

GrandPerspective

GrandPerspective is a small utility application for Mac that graphically shows the disk usage…
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HDGraph

HDGraph helps you to free disk space : it finds for you the largest folders on your drive.
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Hard Disk Sentinel

Monitoring hard disk health and temperature. Test and repair HDD problems and predict failures.
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JDiskReport

JDiskReport enables you to understand how much space the files and directories consume on your disk…
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K4DirStat

K4DirStat is the successor of former KDirStat.

Scanner

This tool uses a sunburst chart to display the usage of your hard disk or other media.

SpaceMonger

SpaceMonger helps you understand what’s occupying your hard drive and more effectively clean it up without worrying about losing anything important in the process.

Total Commander

A Shareware file manager for Windows® 95/98/ME/NT/2000/XP/Vista/7, and Windows® 3.1.

TreeSize

TreeSize tells you where precious disk space has gone to.

VisiPics

VisiPics does more than just look for identical files, it goes beyond checksums to look for similar…
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WinDirStat

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

chkdsk

A command line tool to check for errors on and repair ntfs filesystems.