WinDirStat
Disk usage treemap for Windows showing which folders consume space at a glance.
Why it is included
GPL-2.0+ visualization tool endlessly recommended in “disk full” threads.
Best for
Finding surprise caches and giant media folders on Windows volumes.
If you use Windows, Mac, or paid tools
Disk usage alternative to TreeSize Professional (paid), DaisyDisk (macOS paid), and WinDirStat clones.
Strengths
- Treemap UX
- Extension cleanup hooks
- Fast scans
Limitations
- Windows-focused
Good alternatives
WizTree · ncdu on WSL
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