Top Alternatives to Filelight

WinDirStat is a disk usage statistics viewer and cleanup tool for Windows based systems.

FreeCommander is a freeware file manager with built-in FTP client, archive handling, multi-rename, wipe files and MD5 checksums.

SpaceSniffer is a freeWare and portable tool application that lets you understand how folders and files are structured on disks.

TreeSize Free is a free disk space manager for Windows. The software shows you the sizes of folders including all subfolders.

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.

DaisyDisk is a disk space analyzer for OS X.

GrandPerspective is open source software for Mac OS X used for disk space analysis.

ncdu (NCurses Disk Usage) is a disk utility for Unix systems.

Scanner is a tool uses a sunburst chart to display the usage of your hard disk or other media.

SpaceMonger is a tool for keeping track of the free space on your computer.

DiskUsage provides a way to find files and directories on storage card which consumes a lot of space.

Folder Size is a freeware disk size analysis tool that will display the directory sizes and folder tree sizes.

SequoiaView is a disk browsing tool based on the principle of treemaps.

RidNacs is a free and very fast disk space usage analyzer for Windows.

FolderSizes is a disk space management tool.

Xinorbis is a powerful hard disk, folder and storage analyzer.