WinDirStat

WinDirStat is a disk usage statistics viewer with a treemap display. It is released under the GPLv2; version 2.8.0 released Aug 2026.

Get it

The promise

• ✓ No ads
• ✓ No purchases
• ✓ No subscriptions
• ✓ No trials
• ✓ No nagging
• ✓ No surprise bundles

Something wrong?

Reports go to a human review queue. No timeline promised — this is a small pilot, but every report gets read.