Programs - Treesize or Free Disk Analyer to view size for every Folder

Managing file server it would be very useful have an utility that give you a visual report for every folder.

Usually here are the relative utility that use:

1. TreeSize Free

Quickly Scan Directory Sizes and Find Space Hogs TreeSize Free shows the size of a folder including all subfolders and files. In an Explorer-like style, also the wasted space 

TreeSize Free 

2. Free Disk Analyzer

Free Disk Analyzer 1.0 is a software tool program that enables users to discover quickly the large files on their computers, disks and drives, and allows them to organize them to optimize disk usage. With this program, users can find the largest files on any selected drive or folder, by folder size, average file size, or number of files.