NullDisk our pick
A native macOS disk-space analyzer with an interactive radial map. Native SwiftUI, allocated-size honesty, staged Trash-based removal, zero data collection.
Top 5 Baobab (Disk Usage Analyzer) alternatives
LumaDisk
A light-speed sunburst that turns your filesystem into light.
DiskPoint
Privacy-focused free cleanup with offline visualization.
Diskaroo
A treemap visualizer with collector tray and smart filters.
SquirrelDisk
The easiest open-source sunburst for hunting huge files.
正面对决: NullDisk vs Baobab (Disk Usage Analyzer)
| NullDisk | Baobab (Disk Usage Analyzer) | |
|---|---|---|
| Visualization | Sunburst radial map | Rings |
| Platform | macOS 14+ | Linux |
| Pricing | Paid | Open source |
| Open source | No (offline, zero-data) | Yes |
| Cleanup flow | Staged collector → Trash | Varies by tool |
关键信息: Baobab (Disk Usage Analyzer)
| Baobab (Disk Usage Analyzer) | |
|---|---|
| Vendor | GNOME Project |
| Platform | Linux |
| Pricing | Open source — Free and open source (GPL-2.0+) with GNOME |
| Visualization | Rings |
| Open source | Yes |
2026年9月更新 · 价格会变,请以供应商为准。 撰稿时价格: Free and open source (GPL-2.0+) with GNOME.
NullDisk适合你,如果……
- Truly native: Swift and SwiftUI on macOS, not a cross-platform toolkit.
- A radial sunburst map instead of lists or treemaps — see usage at a glance and drill in with a click.
- A staged removal collector: queue suspects, review, then Trash everything together.
Pros & cons
＋ 优点
- Simple ring charts plus treemap and tree views
- Preinstalled on many Linux distributions
- Free and open source forever
－ 缺点
- Not a Mac app — irrelevant for macOS-only households
- Basic compared with dedicated Mac analyzers
- No cleanup workflow beyond opening folders
常见问题
What is the best alternative to Baobab (Disk Usage Analyzer) for Mac?
For most Mac users it's NullDisk: native SwiftUI, a radial sunburst map, a staged removal collector, and zero data collection. Baobab (Disk Usage Analyzer) users who want rings views and open source pricing will feel at home within minutes.
Is there a free alternative to Baobab (Disk Usage Analyzer)?
Yes — GrandPerspective and Disk Inventory X are free and open source with genuine treemap analysis. They lack NullDisk's collector workflow and sunburst map, but they find the biggest hogs fast.
How do I switch from Baobab (Disk Usage Analyzer) to NullDisk?
Note the largest folders Baobab (Disk Usage Analyzer) flagged, then run the same scan in NullDisk and rebuild the cleanup in its removal collector. The full walkthrough is on our switching guide.
一句话
Baobab (Disk Usage Analyzer) is a fine free tool for rings fans on Linux. But if you want the whole job — see, stage, and safely remove — done natively on a modern Mac, NullDisk is the upgrade. 迁移指南 →