Space Radar
14 likes
SpaceRadar allows interactive visualization of disk space and memory. It currently supports Sunburst, Treemap, and Flamegraph charts.
Cost / License
- Free
- Open Source (MIT)
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- Electron
- Debian
- AppImage
Features
Space Radar News & Activities
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Recent activities
Paul added Space Radar as alternative to disktree and blitztree
Josh-Auriemma added Space Radar as alternative to MacDirStat- TheeClutchh liked Space Radar
Arek-Sredzki added Space Radar as alternative to Disk Map
Cosmovex-Apps added Space Radar as alternative to LighterMac
Lekano-production added Space Radar as alternative to CleanMyWin- bearygarcia liked Space Radar
Fopull added Space Radar as alternative to Storage Sifter
Kiord added Space Radar as alternative to SpaceBrowser
Danilo Venom added Space Radar as alternative to SpacePeek
Featured in Lists
The macOS setup for everyone (with freeware only)
THIS LIST HAS BEEN DELETED DUE TO A BUG, SO IT MISSES SOME HONORABLE MENTIONS !
This is the apps for macOS that I would recommend to anyone who just got a Mac !
Some are the default that Apple offers but I tried to offers you free alternative to escape Apple Wall Garden if you need or want to
The same list for
Windows 10 & Windows 11 :
Linux kernel (GUI apps only) :
What is Space Radar?
Space Radar information
Developed by
Joshua Koo Licensing
Open Source (MIT) and Free product.Written in
Rating
Average rating of 4.7Alternatives
103 alternatives listedBadge
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AlternativeTo Categories
OS & Utilities, System & Hardware, File ManagementGitHub repository
- 1,441 Stars
- 81 Forks
- 20 Open Issues
- Updated
Comments and Reviews
The best Disk Usage Analyzer for Windows, Mac and Linux 🏆 ! It is extremely fast on my low quality computer 🚀. The UI is good compared to other softwares 👍. It's my favorite Disk Usage Analyzer 🤩.
6.0.1 Can't be launched on macOS 26.4 (at least with SIP)
Works well on Windows despite not being maintained. It is the most similar app compared to all other opensource alternatives to SpaceSniffer, the visualization is very similar (when the rectangle vis is selected). It freezes when switching to other visualizations but it works fine otherwise. Note that the sizes reported are slightly off by a few percent compared to the ground truth (eg, instead of 62GB, a folder will be reported as being 60GB), it's not a deal breaker but it's something worth noting. The only totally working and accurate alternative I found is WinDirStats, but Space Radar has the big advantage of being cross-platform (which may explain why it is less accurate, it uses less specific hooks to query files and folders sizes). But it seems to be able to differenciate NTFS symlinks from real files so it does not show redundant calculations. Overall, I am very satisfied by this app, I will reuse it.
There is a new version 🥳 ! (2026) https://github.com/zz85/space-radar/releases/tag/v6.0.0
i like space radar because itslight, portable, free
It does not give accurate directory sizes. I have a "~/Library/Containers/com.docker.docker/" directory that only contained about 360 KB on disk. However, Space Radar reports it as being 59.6 GB.
On Windows the size reported is a little off from real size but not that much. I experienced this very issue with other softwares (those that cannot distinguish symlinks from real files) but not this one.
Free, performant, and lets me see visually where my hard drive space is taken up. Could be faster, but not too bad for a free tool.
I have not tested the old versions but version 6 (2026) is extremely fast on my low quality laptop.