Apps similar to SpacePeek include WinDirStat, which is free and open source. Other options are WizTree, Baobab Disk Usage Analyzer, Filelight and SD Maid SE. There's no shortage of Disk Usage Analyzers like SpacePeek, with more than 50 alternatives for Windows, Mac, Linux and Android.
TreemapScan helps you find out why your Mac’s disk is filling up by showing you which files and folders take the most space. It scans a drive or folder you choose and draws the result as a treemap, where every file and folder is a rectangle sized in proportion to the space it...
Native macOS disk analyzer that scans folders and space, presenting file-type treemaps or ring charts beside a Finder-style outline. It can reveal items, send them to Trash after confirmation, flag caches and build output, and offer an optional read-only JSON CLI.
Canada
O&O DiskStat is a high-power tool for analyzing the used disk space on your storage volumes. With an easy-to-use interface based on the design of the Windows Explorer, you can take a closer look at the file and folder structure of your internal and external drives.
Germany
EU
DiskFox is a Mac storage app that keeps a history of your disk, so it can show what grew, when and the likely cause.
United Kingdom
