When comparing WinDirStat vs One Commander, the Slant community recommends WinDirStat for most people. In the question“What are the best power user tools for Windows?” WinDirStat is ranked 12th while One Commander is ranked 38th. The most important reason people chose WinDirStat is:
GNU Public License (GPLv2).
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Free / Open Source
GNU Public License (GPLv2).
Pro Color codes by file type
You can sort the list in the extension column (file type) globally or from parent folder selected. This is very helpful in case there are files of a specific type that you may not be aware of that's taking up too much space. Also, the colors correspond to the visual section.
Pro Lightweight
Pro PacMan Progress Bars
Pro Free
Free for non commercial use.
Pro Simple and fast
Fast search and filter.
Pro Miller columns
Like Finder from macOS.
Pro Multi tab support
Pro Themes
Light, dark and customizable themes/colours.
Pro Default file manager setup
Can make it the default file manager such that windows explorer stays out of the way for most of the work.
Pro File previews
Pro File / folder filters
Pro Folder views can be saved and applied
Cons
Con Slow
There are faster programs.
Con Classic UI
interface are old and cluttered
Con Treemaps can be confusing to some
Con Folders cannot be sorted by size
Con Cannot access Android device connected by USB
Con Cannot access Android device by FTP
And can never will as this is clarified by developer that this feature will never be added.
Con It doesn't have UNDO function
Very important. When you work with valuable data files, this function can't be ommited.
Con Navigating folders by Ctrl+Tab has considerable delay
Con Browsing Recycle Bin is very slow
Navigating away from Recycle Bin tab and coming back to it reload the Recycle Bin which is very slow as mentioned. Program has an option to open recycle bin in Windows File Explorer, which suggests that developer is aware that opening Recycle Bin is problematic.
Con Confusing
Con Context menu only based on icons
No longer with Onecommander 3.6.43