Neodisk vs QDirStat

Neodisk is a free, open-source disk space analyzer for macOS and Linux. It scans files, folders and applications, then presents storage usage in treemap, sunburst and outline views. Zooming, folder navigation, fuzzy search and keyboard navigation help you move through a scan. Analysis includes largest-file discovery, file-type statistics, an age heatmap and duplicate finding verified with content hashes. Neodisk is read-only: available file actions are revealing an item in Finder or Files, opening it and copying its path. Completed scans persist as snapshots that can be reopened. On macOS, the Changes tab records additions, deletions, renames and size changes since the previous scan. Optional Google Drive access reads quota and metadata without reading, downloading or changing 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.

QDirStat is free graphical software for examining disk usage and cleaning selected files. It displays directory and file sizes in a tree and colored treemap, with views for file types, size histograms, file ages, and free, used, and reserved space on mounted filesystems. Users can select multiple items and run configurable cleanup actions, including moving items to the trash or deleting them. On Linux systems using dpkg, rpm, or pacman, the Packages view lists installed packages and their files; an Unpackaged Files view highlights system files outside those packages. QDirStat targets Linux, BSD, and Unix-like systems on X11 desktops. Third parties provide macOS binaries and Homebrew distribution. There is no native Windows version, although Docker is suggested for non-Linux systems. A Perl script collects headless-server directory data into a cache for desktop viewing; cleanup then occurs on the desktop. Cache files may reveal directory contents and should be protected. QDirStat is GPL V2 software.