Top 7 WinDirStat Competitors & Alternatives in 2026
Updated onFind more companies/brands/products like WinDirStat. We've shortlisted leading alternatives and mapped their strengths, pricing, and go-to-market focus.
WinDirStat
WinDirStat is a free and open-source disk usage statistics viewer and cleanup tool for Microsoft Windows.
Starts at $0
Competitors
#1Est. 2008 • 2-10 employees • PrivateWizTree
Best for power usersWizTree is a Windows disk space analyzer from Antibody Software that rapidly scans drives and visually shows which files and folders use the most space so users can reclaim storage.
Starts at $0
#2Est. 1997 • 11-50 employees • PrivateJAM Software
Best for SMBsJAM Software is a German software company based in Trier that develops disk space management, email server, banking, and developer tools such as TreeSize for IT professionals and other users.
Starts at $0 / user
#3Est. 2003 • 1 employee • PrivateFolderSizes
Best for SMBsFolderSizes is an award-winning disk space analyzer for Windows that provides detailed reports and visualizations to help manage disk usage on local and network storage.
Starts at $0
Has a free trial
#4Est. 2000 • 1 employee • PrivateUderzo Software
Best for consumersIndependent Italian software publisher and IT consultancy run by Umberto Uderzo, best known for the free Windows disk space analysis tool SpaceSniffer.
Starts at $0
Est. 2025 • 1 employee • PrivateChampSignal
Best for SMBsGet the insights your competitors don't want you to have. ChampSignal discovers, monitors, and analyzes your competitors. Like having a full-time competitive intelligence analyst.
Starts at $39 / month
Has a free trial
#5Est. 2007 • 2-10 employees • PrivateDiskSavvy
Best for SMBsDiskSavvy is a freemium disk space usage analyzer for Windows that can scan local disks, network shares, NAS devices and enterprise storage systems with advanced file classification and reporting capabilities.
Starts at $0
#6Est. 2001 • 11-50 employees • PrivateMindGems
Best for power usersMindGems is a privately held software company founded in 2001 that develops Windows utilities for duplicate file, photo, and music detection, disk space analysis, and related storage management and productivity tasks.
Starts at $0
#7Est. 2000 • 11-50 employees • PrivateJGoodies
Best for SMBsJGoodies is a German software company that provides Java-based UI libraries, tools, and consulting services for building professional desktop and frontend applications.
Starts at $2,301 / developer license (1–5 developers)
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