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Neodisk
What it is
Neodisk is a free, open-source disk space analyzer for macOS and Linux. It displays storage through treemap, sunburst, and outline views, with zooming, folder drilling, fuzzy search, and keyboard navigation. Analysis tools identify the largest files, group files by type, show an age heatmap, and find duplicates using content-hash verification. Neodisk is read-only: available file actions reveal or show an item, open it, or copy its path, without changing or deleting files. Completed scans remain as snapshots that can be reopened. On macOS, a Changes tab records additions, deletions, renames, and size changes since the previous scan. Optional Google Drive access reads storage quota and metadata, not file contents. macOS requires version 14 or later on Apple silicon or Intel. Linux AppImages support x86_64 and ARM64, but Linux lacks duplicate and changes tabs, cloud-drive scanning, and incremental rescans.
For and against
For
- Treemap, sunburst, and outline storage views
- Read-only actions never modify or delete files
- Largest-file, type, age, and duplicate analysis
- Saved scan snapshots can be reopened
- No analytics, tracking, or data collection
Against
- macOS requires version 14 or later
- Linux rescans are always full scans
- Linux lacks duplicate and changes tabs
- Cloud-drive scanning is macOS-only
The verdict
Neodisk focuses on visual storage analysis while keeping file operations read-only. macOS offers the broadest feature set; Linux has fewer analysis and rescan capabilities.
Who it suits
Neodisk suits people who want a local, read-only view of storage usage on macOS or Linux. It is also relevant to users seeking open-source software with no analytics, tracking, or data collection.
Plans and prices
Free
Free and open-source disk space analyzer · GPL-3.0-or-later
Read 12 Oct 2026 · neodisk.app
On the record
- Analysis
- Features include largest-file search, file-type statistics, an age heatmap, and content-hash-verified duplicate finding.github.com · read 11 Oct 2026
- Application sizes
- Yesgithub.com · read 23 Sep 2026
- File analysis
- Features include largest-file discovery, file-type statistics, an age heatmap, and duplicate finding with content-hash verification.github.com · read 12 Oct 2026
- File-type breakdown
- Yesgithub.com · read 23 Sep 2026
- Google Drive
- Neodisk can optionally connect to Google Drive and read storage quota and file metadata using the drive.metadata.readonly scope; it does not read, download, or modify file contents.neodisk.app · read 11 Oct 2026
- Language support
- The interface follows the system language and lists English, Spanish, French, German, Italian, Brazilian Portuguese, Japanese, and Simplified Chinese.github.com · read 12 Oct 2026
- License
- Neodisk is licensed under GPL-3.0-or-later.github.com · read 12 Oct 2026
- Linux limits
- Linux currently lacks the duplicates and changes tabs, cloud-drive scanning, and incremental rescans; each Linux rescan is a full scan.github.com · read 11 Oct 2026
- Linux requirements
- The Linux app is native GTK 4 and libadwaita software, and the AppImage requires a system as new as Ubuntu 24.04.github.com · read 12 Oct 2026
- macOS requirements
- The macOS app requires macOS 14 or later and supports Apple silicon and Intel.github.com · read 12 Oct 2026
- Maker
- The GitHub repository is owned by tkslucas, whose profile identifies the account as Lucas Takayasu.github.com · read 12 Oct 2026
- Network behavior
- The security policy says Neodisk makes no network requests; the privacy page separately describes update checks and optional Google Drive access.github.com · read 11 Oct 2026
- Platform requirements
- The macOS app requires macOS 14 or later on Apple silicon or Intel; Linux AppImages are offered for x86_64 and ARM64.github.com · read 11 Oct 2026
- Platform-specific features
- The Changes tab, cloud-drive scanning, duplicate finding, and incremental rescans are macOS-only; Linux rescans are full scans.github.com · read 12 Oct 2026
- Privacy
- Local scan data, file names, and other data the app reads stay on the device; the maker says there are no analytics, tracking, or data collection.neodisk.app · read 11 Oct 2026
- Privacy and network
- The security policy describes Neodisk as read-only and says it makes no network requests.github.com · read 12 Oct 2026
- Product
- Neodisk is a private, free, open-source disk space analyzer with treemap and sunburst views.neodisk.app · read 11 Oct 2026
- Purpose
- Neodisk is a read-only disk space visualizer with treemap and sunburst views.github.com · read 12 Oct 2026
