iKnowMyMac
Understand resource use, battery drain, and storage on your Mac
Storage analysis
Inspect how data occupies available capacity to identify large files and understand storage distribution.
FreeUpMyMac
Inspect Mac storage usage and review files that may be taking unnecessary space.
FindDiskKiller
Trace Mac disk activity to the applications, files, and devices behind it.
OmniDiskSweeper
Find large files on a Mac and inspect what is taking up space
WizTree
Visualize disk usage and locate files that occupy the most space