TreeSize Professional
TreeSize Professional is a robust Graphical Manager developed by JAM Software to help you perform different operations on your storage systems like analyzing the data, organizing and freeing up the storage system effectively, and viewing the usage.
Best TreeSize Professional Alternatives & Competitors in 2025
The best TreeSize Professional alternatives based on verified products, community votes, reviews and other factors.
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Open-Source Alternatives.
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WizTree quickly finds the files and folders using the most space on your hard drive. It scans the MFT (Master File Table) instead of crawling the entire disk which makes it very fast.
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SpaceSniffer is a freeWare (donations are welcome) and portable tool application that lets you understand how folders and files are structured on your disks.
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The fastest AI note-taker to capture your scattered thoughts and turn them into organized notes.
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WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.
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Folder Size Catalog is a handy solution that offers a detailed view of your folders sizes to enable you to find the disk space distribution with great ease.
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Distributor of workload automation, financial statement reporting, data access, IT Asset Management and Service Desk software solutions.
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TreeSize tells you where precious disk space has gone to.
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Disk Inventory X is an open source disk space analyzer and disk management tool for the Mac OS X operating systems that allow the OS X users to check for the availability of free space in their machines.
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1Tree is a useful application that makes it easy for you to navigate your hard drives and take various actions on folders and files like copying, deleting, or moving them.
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DaisyDisk is a disk analyzer tool for OS X that visualizes hard disk usage and allows to free up hard disk space.
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Folder Size Explorer is an easy-to-use and lightweight clone of Windows Explorer with the additional functionality of calculating the size of folders, which is something not offered by Windows Explore, prompting you to first click on the folder and …
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SpaceGremlin is aimed to discover essential and extra files to delete from a hard drive.
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SpaceMonger helps you understand what's occupying your hard drive and more effectively clean it up without worrying about losing anything important in the process.
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DiskAnalyzer Pro is a hard disk management and usage analyzer that assist the Windows users in locating the hard disk space that is being captured by the unwanted files and folders.