Alternatives to GrandPerspective
Treemap view of disk usage on macOS. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
GrandPerspective
Treemap view of disk usage on macOS.
Replacements
Listings that take over the same core job as GrandPerspective.
DaisyDisk
Interactive sunburst map of disk usage for macOS.
DaisyDisk is a paid closed-source macOS app with a sunburst map and a holding area for deleting collected files in one confirmed step.
ncdu
A disk usage analyser with a text interface, built for finding what is filling a remote server you can only reach over SSH.
ncdu is a text interface for macOS and Linux that works over SSH and deletes in place, trading the treemap for a sorted list.
gdu
Find large directories with a terminal disk-usage analyzer.
gdu is a MIT-licensed terminal analyzer with parallel scans on Windows, macOS and Linux, without a graphical treemap.
dua-cli
Explore disk usage and remove unwanted files in the terminal.
dua-cli explores disk usage in the terminal with optional deletion across Windows, macOS and Linux, replacing the treemap with a navigable list.
Dust
See which directories consume space in a compact terminal tree.
Dust shows directory sizes as a compact terminal tree with size bars under Apache-2.0, without saved scan comparisons.
OmniDiskSweeper
A free macOS utility that lists the files on a drive from largest to smallest.
OmniDiskSweeper is a free closed-source macOS tool with a plain size-sorted list instead of a treemap.
QDirStat
A Qt-based graphical disk usage analyser with a directory tree and treemap view.
QDirStat offers a treemap plus tree view on macOS and Linux, with a denser interface than GrandPerspective.
WinDirStat
Draws your whole drive as a treemap, so a single 40 GB file is a huge rectangle you cannot miss.
WinDirStat is a Windows-only treemap tool that also finds duplicates by hash and saves scans to reload.
Also worth comparing
These listings name GrandPerspective as their own alternative, so the relationship runs both ways.
Filelight
Shows disk usage as concentric rings you can click into.
GrandPerspective moves to macOS with a treemap view and can compare saved scans to see what grew.
Similar software
Related functionality, not a direct replacement.
Disk Utility
Built-in macOS tool for creating disk images and managing volumes.
duf
Shows disk usage and free space in a readable coloured table.
diskus
Measure the total size of a directory from the command line.
Pearcleaner
A free, source-available macOS app uninstaller that finds and removes leftover files.
