Support for WinQuota Professional is available from the publisher site.
Short description: WinQuota is a disk quota management solution for Windows designed for regular usage on any types of servers, especially on servers with large amount of files, such as file servers, news and mail servers....
To speed up your downloads we recommend you use a download manager such as 
WhatDisk is an easy-to-use program with an Explorer-like user interface that helps you categorize your disks (CD's, DVD's, ZIP disks, external hard drives, USB sticks, MP3 player, iPod etc.) into a single, searchable database.
NoClone - Find and Delete TRUE duplicate files by byte-to-byte comparison. Smart Marker helps to clean up hard drive.
EF Find is a powerful search program. Look for files, text, HEX sequences and regular expressions inside 7-Zip, ACE, ARC, ARJ, BZIP2, CAB, CPIO, GZIP, IMG, ISO (ISO9660), LHA, RAR, RPM, SFX, SQX, TAR, TBZ, TGZ, ZIP, Zip64, ZOO archives.
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Find and remove true duplicate files. Search duplicate file contents regardless of file name, Duplicate MP3s, photos, and any file type can be searched. Duplicate Finder matches byte by byte or CRC32 to give you most accurate results.
Cleanse is a program uninstaller that will find and remove even the most stubborn of programs. Using the smart Auto Find drag and drop function uninstalling has never been so easy. Uninstall programs even if they don't supply an uninstaller.
Directory printer. Print to a Printer, Text, Excel, XML or HTML file. Find duplicate files. Find duplicate directories. Multiple file rename. Multiple file change date. Multi file change owner. Shows file owner. Print cyclic redundancy checksum CRC