Compare software

Space RadarWinDirStat
Free

Free and open source under the MIT licence.

 Free

Free and open source under the GPL 2.0.

Windows, macOS, Linux Windows
  • Three chart types: sunburst, treemap and flamegraph
  • Shows results while the scan is still running
  • Treemap makes one enormous file obvious at a glance
  • Finds duplicates by hash and compares logical against physical size
  • Documentation is limited to the README
  • Small hobby project without a dedicated website
  • Windows only
  • The treemap is dense and takes a moment to learn to read
Downloadable app Downloadable app
Open source Open source
License: MIT License: GPL-2.0
No account needed No account needed
Works offline Works offline

Checked October 2, 2026

Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.