Linux Softwares to Hierarchical heatmaps

Filelight is a KDE graphical disk usage analyzer providing an intuitive, radial sunburst chart visualization of your disk space. It helps users quickly identify large files and folders consuming valuable storage by presenting a clear, hierarchical representation of your file system.

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.

Baobab, also known as GNOME Disk Usage Analyzer, is a free and open-source graphical tool designed to analyze and visualize disk space usage on your computer. It helps users identify large files and folders consuming significant space, представлением данных в удобном для понимания виде.