When comparing Free Download Manager vs WinDirStat, 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 Free Download Manager is ranked 36th. The most important reason people chose WinDirStat is:
GNU Public License (GPLv2).
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Zip files partial download
Free Download Manager lets you download only the necessary part of a zip file.
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
Cons
Con No Linux Support
Only supports Windows and Mac.
Con Slow
There are faster programs.
Con Classic UI
interface are old and cluttered