Qt-based directory statistics
Treemap disk usage analyzer: In search of lost space
A HDD/SSD utility software
A simple disk benchmark software
A disk usage statistics viewer and cleanup tool for Windows
Find lost disk space the easy way
Find that huge folder that you didn't know it was there
Program to find (all) files above a size at a target dir
Ncdu is a disk usage analyzer with an ncurses interface
A modern graphical SSH client
File system crawler and disk space usage software
Examine your file collection: what's backed up; disk usage.