Alternatives to Serv-U Managed File Transfer Server for all platforms with any license

WinDirStat

WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.

Free Open Source Windows
Tree view Disk usage statistics Display files size Ad-free ... Customizable Hierarchical structure Multiple languages Portable Add a feature

940 Like
WizTree

Identify the data vacuums on your hard drive with pinpoint precision very, very quickly.

Free Personal $ $ $ Windows
Tree map Disk space analyzer Display files size File management ... Disk usage statistics Fast file and folder search File Searching Graphical interface HDD Visualization Facebook Login Folder Size Support for Large File One Time Passwords Portable Add a feature

119 Like
TreeSize

TreeSize Professional tells you where precious disk space has gone to. It can be started from the context menu of a local folder or a local drive and displays the size...

Commercial $ $ $ Windows PortableApps.com
Display files size Tree view Portable System Cleanup ... Disk space analyzer Add a feature

252 Like
ncdu

A disk usage analyzer with an ncurses interface, aimed to be run on a remote server where you don't have an entire gaphical setup, but have to do with a simple SSH...

Free Open Source Mac Linux BSD
Terminal-based Command line interface Works in a terminal Command line interface ... Terminal emulator Add a feature

89 Like
DiskUsage

DiskUsage provides a way to find out which files and directories on the SD card of your Android phone are consuming the most space. It displays diagram with...

Free Open Source Android Android Tablet
Folder Hierarchy Folder Size Add a feature

61 Like
DaisyDisk

With DaisyDisk you can free up disk space by quickly finding and deleting big, useless files. The program scans any mounted disk and displays it on the sunburst map...

Commercial Mac
Sunburst chart Disk space analyzer Add a feature

101 Like
GrandPerspective

GrandPerspective is a small utility application for Mac that graphically shows the disk usage within a file system. It can help you to manage your disk, as you can...

Free Personal $ $ $ Open Source Mac
Lightweight Add a feature

74 Like
FileMenu Tools

FileMenu Tools lets you customize the context (right-click) menu of Windows Explorer. The application adds built-in utilities to perform operations on files and folders...

Freemium $ $ $ Windows Windows Explorer
Change File Dates Customize Windows File-sync Folder sync ... Multiple languages Portable Symbolic links Timestamps Windows Explorer extension Add a feature

64 Like
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JDiskReport

JDiskReport enables you to understand how much space the files and directories consume on your disk drives, and it helps you find obsolete files and folders. The tool...

Free Mac Windows Linux BSD
Sync with Amazon Drive Version and Source control Ad-free Categories ... Portable Add a feature

91 Like
Scanner

This tool uses a sunburst chart to display the usage of your hard disk or other media. The chart shows all major files and folders from all directory levels at once.
- Discontinued
  The program seems to be no longer updated. Last version, 2.13, released in July 2012, is fully working and can be still downloaded from the official website.
Free Windows
Sunburst chart HDD Visualization Add a feature

52 Like