WizTree

vs

Disk Xray

TreeSize is a disk space manager for Windows. The application is used by over 100,000 people to identify where storage space is going. TreeSize provides a visual representation of your harddrive, and tools to clean up unwanted files to increase overall storage space.

GNOME Disks is a free and open-source GUI for the gnome-disk-utility package. GNOME Disks can be used for partition management, monitoring, benchmarking, and software RAID.

DaisyDisk is a freemium disk analyzer application for macOS. With DaisyDisk you can visualizes hard disk usage and get a broad overview on how to free up hard disk space. Through an intuitive interface with an interactive sunburst chart that you can use to easily navigate your hard disk, and free up space by deleting large files that you don't use.

BleachBit is a free and open-source disk space cleaner, privacy manager, and computer system optimizer that allow you to fully delete unanted files and improve privacy of your system. With BleachBit it's simple to clean cache, internet history, temporary files, logs, cookies, Firefox, Google Chrome, Flash, macOS, Linux, Windows and more. BleachBit is fully open-source and released under the GNU General Public License.

DaisyDisk is a freemium disk analyzer application for macOS. With DaisyDisk you can visualizes hard disk usage and get a broad overview on how to free up hard disk space. Through an intuitive interface with an interactive sunburst chart that you can use to easily navigate your hard disk, and free up space by deleting large files that you don't use.

With CCleaner you can speed up your slow Mac or PC by cleaning up outdated software and cached files. CCleaner has been the go-to software for protecting and cleaning Windows computers for years. The software was built at a time when Microsoft Windows lacked many of the built-in security features found in operating systems like macOS or Linux. CCleaner can be used to clean potentially unwanted files and invalid Windows Registry entries from a computer. In 2012 CCleaner released a version for macOS.