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Open-source alternatives to WizTree commercial licence

WizTree commercial licence does 4 jobs: see what uses disk space, find the largest files, find duplicate files, export file details to CSV. Most projects replace one or two of them, so pick the job you actually need.

Quick answer

Facts checked 21 Oct 2026

We track 2 open-source alternatives to WizTree commercial licence, but none currently has confirmed commercial use, local running and no paid services together. WinDirStat covers all 4 WizTree commercial licence jobs.

Compare Czkawka and Krokiet, WinDirStat with WizTree commercial licence →Jobs covered, cost, GitHub activity and star growth, side by side.

2 projects

Czkawka and Krokiet

qarmin/czkawka

Fast Rust app that finds duplicates, big files, empty folders, temporary files and similar images or videos to free space.

Replaces Find the largest files + Find duplicate files (partly) Not: see what uses disk space, export file details to CSV

Use it instead of paying for WizTree commercial licence?

Personal use: Confirmed: Yes
For a business: Partial: Partly Commercial use with conditions: Free to use at work; GPL conditions apply if you distribute a modified Krokiet app

Runs locally: Confirmed: Yes
Commercial use: Partial: Conditions · MIT AND GPL-3.0-only
Paid services: Confirmed: None required
Hardware: Unknown: Unknown
Setup: Confirmed: Easy

Compare 7 of 8 facts sourced · checked today GitHub ↗ View details

WinDirStat

windirstat/windirstat

Disk usage analyser for Windows with treemaps, largest-file and duplicate finders, CSV/JSON exports and cleanup tools.

Replaces See what uses disk space + Find the largest files + Find duplicate files + Export file details to CSV

Use it instead of paying for WizTree commercial licence?

Personal use: Confirmed: Yes
For a business: Partial: Partly Commercial use with conditions: Free to use at work; GPL conditions apply if you distribute modified versions

Runs locally: Confirmed: Yes
Commercial use: Partial: Conditions · GPL-3.0-or-later
Paid services: Confirmed: None required
Hardware: Unknown: Unknown
Setup: Confirmed: Easy

Compare 7 of 8 facts sourced · checked today GitHub ↗ View details

Common questions about WizTree commercial licence alternatives

Is there a free, open-source alternative to WizTree commercial licence?

Yes. WinDirStat and Czkawka and Krokiet are free to download and run on your own computer without paid API keys. WinDirStat covers every job we list for WizTree commercial licence; the other covers only part of it, so check which job you need.

Can I do see what uses disk space locally without a WizTree commercial licence subscription?

Yes, with WinDirStat (GPL-3.0-or-later). Check the hardware notes and licence conditions on each page before you start.

Can I do find the largest files locally without a WizTree commercial licence subscription?

Yes, with WinDirStat (GPL-3.0-or-later) and Czkawka and Krokiet (MIT AND GPL-3.0-only). Check the hardware notes and licence conditions on each page before you start.

Which WizTree commercial licence alternatives can I use commercially?

With conditions: Czkawka and Krokiet and WinDirStat. This is not legal advice; read each licence.

Does any open-source project replace all of WizTree commercial licence?

WinDirStat covers every job we list for WizTree commercial licence.