Free
Quickly Scan Directory Sizes and Find Space Hogs.
Quickly spot-check any USB mass storage drive for fraudulent deliberately missing storage.
A free disk space analyzer that will show folder sizes in Windows.
A free and very fast disk space usage analyzer for Windows.
The FASTEST Disk Space Analyzer.
Visualizes disk usage using an interactive treemap layout.
An automated file and data management solution.
Simple and free Windows Explorer with folder sizes and more.
Find Out What's Taking-up Space on Your Hard Drive.
A disk usage statistics viewer and cleanup tool.
A simple but powerful hard disk, folder and storage analyser.
A disk space analysis tool that visualizes file and folder usage to help identify storage consumption.
Free (Open Source)
A free, open-source disk usage analyzer.
Free (For Personal Use)
A powerful disk and file management utility.
Quickly See Drives/Folders/Files Size in 1 Tree View