Directory Size Profiler is a graphical disk-usage reporter that works like the du command. A lightweight Linux alternative to the Sysinternals DU utility for finding what fills a folder.

Features:

• Scans any folder (default: your home) with real filesystem calls, counting disk blocks actually used, apparent size, file counts and hard links once.
• Expandable directory tree with sizes and percent-of-parent shading.
• Largest files list and per-extension usage report.
• Open a folder in your file manager, delete a selected folder (with confirmation) and export CSV.
• Optional stay-on-one-filesystem mode. Folders the sandbox or permissions cannot read are counted as unreadable.

Disclaimer: This project is an independent open-source tool and is not affiliated with, sponsored by, or endorsed by Microsoft Corporation or Sysinternals.