diskonaut
diskonaut: A free, open-source treemap navigator for focused local disk cleanup. Ranked #66 of 104 in Disk Space Analyzers by our editors (3.0/10); pricing: Free plan; best for minimal cross-platform treemap cleanup.
At a glance
- Editor score3.0 / 10
- PricingFree plan
- Best forMinimal cross-platform treemap cleanup
- Free planYes
- Paid fromFree
- Desktop platformsLinux, macOS, Windows
- Facts checked23 Sep 2026
Where it wins
- Free and open source on Linux, macOS, and Windows
- Explores filesystem treemaps while recursive scans continue
- Deletes files or folders and tracks space freed per session
Where it doesn't
- Terminal interface may not suit users seeking a graphical app
- No verified integrations or report-export workflow
- Focused on local scanning rather than broader classification features
Our verdict on diskonaut
diskonaut is a free, open-source terminal utility for exploring local disk usage on Linux, macOS, and Windows. It recursively scans a supplied filesystem path, indexes filesystem metadata in memory, and presents folder contents as a proportional treemap. Users can navigate through subfolders, explore results while scanning continues, delete files or folders, and track the space freed during the current session. It is aimed at people who want a focused way to inspect and clean local storage without a paid plan or a broader desktop management suite.
Its standout feature is the live treemap workflow. Disk usage is represented visually, making large folders easier to locate within a selected path, while navigation through subfolders supports more focused inspection. The tool can also show apparent file size instead of on-disk block usage, which gives users two ways to interpret storage consumption. Because scanning, indexing, navigation, deletion, and freed-space tracking are combined in one terminal workflow, diskonaut suits technically comfortable users who prefer direct filesystem exploration.
The product stays intentionally narrow. Its documented capabilities center on filesystem scanning and treemap navigation, with installation available through binaries, Cargo, and several operating-system package systems. It does not include AI features, verified integrations, application-size reporting, file-type grouping, external-drive-specific scanning, or report export. Choose diskonaut for free, cross-platform cleanup focused on folders and files; choose another tool if you need reporting, integrations, wider classification features, or a graphical interface.
Your product? Our editors can test diskonaut in depth and publish a review, labelled as paid · from $149/mo →
diskonaut pricing
diskonaut fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Desktop platforms | Linux, macOS, Windows |
| Treemap view | Yes |
| Application sizes | Not verified |
| File-type breakdown | Not verified |
| External drive scans | Not verified |
| Exportable reports | Not verified |
| Scan scope | Files_folders |
| Deployment | Self-hosted |
| Platforms | Linux, macOS, Windows |
| Support | Community |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan |
| Website | github.com |
| Facts checked | 23 Sep 2026 |
Alternatives to diskonaut
- TreeSizeA broad Windows analyzer with strong free features and tiered automation tools.9.3
- WinDirStatA classic Windows analyzer with treemaps, file breakdowns, duplicate detection, and CSV export.9.1
- FilelightA free, open-source disk analyzer with strong KDE integrations and ring-based visuals.9.0
See all diskonaut alternatives →
Used diskonaut? Be the first to review it
The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used diskonaut for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
Write a reviewTwo minutes · verified accounts only · read by an editor before it appears
Featured on iTechGuides
diskonaut is listed in our Disk Space Analyzers directory. Add the badge to your site — it links back to this page.
<a href="https://www.itechguides.com/products/diskonaut/"><img src="https://www.itechguides.com/best/badge/diskonaut.svg" alt="Featured on iTechGuides" width="230" height="46"></a>
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Last updated · How we research and update