Mac OS X Softwares to Hierarchical heatmaps

DiskWave is a free, lightweight disk usage analysis utility designed specifically for macOS. It provides a visual representation of your disk space, helping you quickly identify large files and folders that are consuming valuable storage. Its intuitive interface makes it easy to navigate through your file system and manage your storage effectively.

JDiskReport is a free, portable utility designed to help users understand how disk space is being utilized. It provides visual representations and detailed statistics of file and directory sizes, enabling users to identify large, obsolete, or unnecessary files for efficient disk management and cleanup.