DiskState
Got lots of MP3s, image files or other duplicate files? DiskState has a powerful duplicate file analyzer can help clean up. Also, get rid of that space wasted from program crashes and normal use. 100 pst safe with recovery. Organize your disk space usage with detailed graphical overview,... Remove left-overs from unsuccessful uninstalls, add multiboot for Linux, schedule cleanups on a regular basis, command-line enabled for scripting (sysadms), capture and detect the slightest file system changes, manage internet cookies, winshading, folder and file comparison, disk image size calculator...
http://ftp.raxco.com/pub/download/diskstate/ds_300e.zip - 1Mb - Download - Screenshot

Extract Email Addresses From Text & HTML Files Software
Find email addresses in large files. Load your files into the list, and this application will return a list of e-mail addresses that can be saved as a list or comma separated list. You can remove unwanted extractions for this returned list. The extraction process is done quickly without... Duplicate email addresses are automatically removed.
http://www.sobolsoft.com/extractemail/download/setup.exe - 394Kb - Download - Screenshot

DupeTrasher
Here's the deal: you find the faster and more optimized duplicate file finder, and we will give you the DupeTrasher licence for free! DupeTrasher will help you to get rid of the duplicated files from your system, fast and easy. Identical files which are located in different folders and drives,... DupeTrasher was written completely in Win32 assembly, as a standalone executable file with no third party libraries or DLL dependencies. ... - Remove duplicated files by deleting them into recycle bin or permanently.
http://www.asmdev.net/products/dupetrasher/dupetrasher.zip - 287Kb - Download - Screenshot

WinPure ListCleaner Lite
WinPure ListCleaner Lite is a data cleansing, list cleaning and dedupe software that cleans, corrects, de-duplicates, and standardises lists from Excel, Access, ACT! , text files and other databases. It can handle any type of lists including contact address details, email address lists,... Without special training or systems knowledge, you can increase business efficiency by transforming your current lists into more accurate, cleaner and duplicate free data, easily and cost effectively. ... It's easy to import and export lists directly from ACT!
http://www.winpure.com/WinPureListCleanerLiteV2.EXE - 16Mb - Download - Screenshot

SafeIT E-mail Shredder for Outlook 2003
SafeIT E-mail Shredder for Outlook 2003 is a software application for permanently removing (shredding) old and deleted e-mails from your Outlook Personal Storage (. PST) file. Selected e-mails will be shredded along with all the unused space in your PST-file. ... An e-mail can exist up to eight times in your PST-file and traces of old discarded e-mails can exist from the time you first created your Outlook file. ... These commands only alter the structure of the PST-file, leaving most of the data intact and recoverable with software tools easily available.
http://www.safeit.com/downloads/SafeITEmailShredder.exe - 5Mb - Download - Screenshot

Cleaner Kit
Cleaner Kit is a bundle of powerful tools for cleaning and optimization of your system. Various programs of the Cleaner Kit are able to monitor your systen registry and clean it of obsolete and invalid entries, free your disk space by removing unnecessary duplicate files, protect your privacy by... Cleaner Kit also includes several additional functions, that will remove unnecessary temporary files on your disk, check and repair a link integrity in your system and will give you the ability to delete files that you do not want to see restored.
http://yavsoft.com/downloads/cleanersetup.exe - 1Mb - Download - Screenshot

RJ System File Checker
Getting a lot of Illegal Operations? The problem may be with old versions of system files conflicting with new versions of the same system files. On Windows-based systems, particularly with Windows 95 and 98, software applications that you install may install an updated system file. ... RJ System File Checker scans your system for duplicate system files and eliminates the old versions. ... You have the option of having RJ System File Checker automatically do the work for you and reporting on what it did, or you can have it present a listing of all duplicate system files and version...
http://rjudge.freeshell.org/shareware/rsc0200.exe - 1Mb - Download - Screenshot

A1Click Ultra PC Cleaner
A1Click Ultra PC Cleaner (also known as, A1 Cleaner) - Powerful, Safe, and Easy-to-use. Fix PC problems - Avoids system errors and PC crashes by identifying and cleaning up problem files. Speed up your computer - Removes hidden files that do nothing but take up space and slow down your computer. ... The bonus tools are Duplicate File Finder, Font Remover, Recent List, Uninstaller, Registry Cleaner, Favorites List, and PreFetch List. ... Remove Tracks - With the click of another button, A1Click Ultra PC Cleaner utilizes 25 processes of the latest technology to find Windows' secret records...
http://superwin.swmirror.com/a1cleanz.exe - 1Mb - Download - Screenshot

SBMAV Disk Cleaner
A powerful tool for cleaning cobwebs of useless information clogging your system. SBMAV Disk Cleaner searches for and deletes temporary files and folders created by Windows and other applications. It also searches for invalid links to deleted documents. ... SBMAV Disk Cleaner also finds useless un-install software, disables/enables seldom used fonts, deletes cookies, and searches for and removes duplicate files. ... The program is easy to operate for first time users, yet has powerful settings for advanced tweakers.
http://www.sbmav.com/files/dcleaner.zip - 2Mb - Download - Screenshot

Free PDF Compressor
Compress PDF file and reduce the actual size of PDF document with this completely free PDF Compressor. Free PDF Compressor removes duplicate PDF objects, optionally takes advantage of new compression features of latest PDF specifications that for many classes of documents compresses 30 - 60%... Free PDF Compressor allows you to shrink PDF file by using Flate or RunLength compression algorithm. ... Another benefit of this freeware utility is that you can decompress or expand any PDF file to its original size for better conversion from PDF to other formats.
http://www.nicepdf.com/PDFCompressor.exe - 288Kb - Download - Screenshot