ncdu, TreeSize, WinDirStat, WizTree, SpaceSniffer, Baobab Disk Usage Analyzer, GrandPerspective, KDirStat, SpaceMonger, DiskCatalogMaker, WhatSize, OmniDiskSweeper, Disk Inventory X, SequoiaView, DiskUsage, crossdirstat, Diskitude, Grid Size File Manager, DiskSavvy, Disko, JDiskReport, Filelight, Xinorbis, Spacie, HDGraph, Space Gremlin, FolderSizes, Disk Space Fan, Overdisk, AutoCleanFolder, xdiskusage, DiskWave, Space Radar, Directory Size Calculator, IntoDisk, FilePro, TreePie, SquirrelDisk, K4DirStat, RidNacs, i.Disk, TDP x-Ray, DirGraph, SpaceObServer, GetFolderSize, Disk Space Visualizer, DiskMapper, PA Storage Monitor, Disk Space Fan Pro, Precious Disk, ClearDisk, diskring, Disk Space Pro, Disk Space Analyzer: Inspector, Big Files Finder, DiskTriage, Free Disk Space Monitor, StepTree, Disk Health, GD Map, Disk Space Finder, Eximo, FULL-DISKfighter Mac, UtilStudio Disk Space Finder, Diskvision are some alternatives to DaisyDisk.