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SpaceSharp
A modern open-source disk space analyzer for Windows
SpaceSharp is a free, open-source disk space analyzer for Windows inspired by SpaceMonger. Scan any drive or folder and explore your storage through an interactive, zoomable treemap. Find large files, filter by name, type, size or age, view storage by file type, measure actual size on disk, detect hard links, and safely remove files through the Recycle Bin.
I’m the developer of SpaceSharp, a free and open-source disk space analyzer for Windows.
The project was heavily inspired by SpaceMonger. I’ve always liked the way it makes disk usage visual instead of forcing you to dig through endless folder-size lists, and I wanted to build a modern take on that idea.
SpaceSharp represents your files and folders as an interactive treemap, where the size of each box corresponds to the space it occupies. You can zoom into folders, search and filter files, inspect your largest files and directories, view storage usage by file type, and remove unwanted files directly through the Windows Recycle Bin.
Over time it has grown to include things like multiple treemap styles, size-on-disk measurements, hard-link detection, file-type coloring, multiple palettes, dark/light themes, and portable and installable versions.
It supports Windows 10 and 11 and is completely free under the MIT license.
The source code is available on GitHub, and I’ve also submitted SpaceSharp to WinGet.
This is still an actively developed project, so I’d genuinely appreciate feedback — especially around the treemap navigation, UI, scanning performance, and features you think a disk space analyzer should have.
Thanks for checking it out!
About SpaceSharp on Product Hunt
“A modern open-source disk space analyzer for Windows”
SpaceSharp was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #121 on the daily leaderboard. SpaceSharp is a free, open-source disk space analyzer for Windows inspired by SpaceMonger. Scan any drive or folder and explore your storage through an interactive, zoomable treemap. Find large files, filter by name, type, size or age, view storage by file type, measure actual size on disk, detect hard links, and safely remove files through the Recycle Bin.
On the analytics side, SpaceSharp competes within Windows, Productivity, Open Source and GitHub — topics that collectively have 785k followers on Product Hunt. The dashboard above tracks how SpaceSharp performed against the three products that launched closest to it on the same day.
Who hunted SpaceSharp?
SpaceSharp was hunted by Adrian Thomassen (ClearanceClarence). A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of SpaceSharp including community comment highlights and product details, visit the product overview.
Adrian Thomassen (ClearanceClarence)
Hey Product Hunt!
I’m the developer of SpaceSharp, a free and open-source disk space analyzer for Windows.
The project was heavily inspired by SpaceMonger. I’ve always liked the way it makes disk usage visual instead of forcing you to dig through endless folder-size lists, and I wanted to build a modern take on that idea.
SpaceSharp represents your files and folders as an interactive treemap, where the size of each box corresponds to the space it occupies. You can zoom into folders, search and filter files, inspect your largest files and directories, view storage usage by file type, and remove unwanted files directly through the Windows Recycle Bin.
Over time it has grown to include things like multiple treemap styles, size-on-disk measurements, hard-link detection, file-type coloring, multiple palettes, dark/light themes, and portable and installable versions.
It supports Windows 10 and 11 and is completely free under the MIT license.
The source code is available on GitHub, and I’ve also submitted SpaceSharp to WinGet.
This is still an actively developed project, so I’d genuinely appreciate feedback — especially around the treemap navigation, UI, scanning performance, and features you think a disk space analyzer should have.
Thanks for checking it out!