Eraser

Eraser is an advanced security tool for Windows which allows you to completely remove sensitive data from your hard drive by overwriting it several times with carefully selected patterns.

http://eraser.heidi.ie

ATTO

As the industry's leading provider of high-performance storage connectivity products, ATTO has created a widely-accepted Disk Benchmark freeware utility to help measure storage system performance. Disk Benchmark identifies performance in hard drives, solid state drives, RAID arrays as well as connections to storage.

http://www.attotech.com/products/product.php?sku=Disk_Benchmark

CrystalDiskMark

CrystalDiskMark is a disk benchmark software. You can test the speed of your drive, local, USB, or, mapped and get accurate display of its speed capabilities.

http://crystalmark.info/software/CrystalDiskMark/index-e.html

BeLarc Advisor

Belarc Advisor is a free personal PC Audit; This light weight program install locally and gives you a webpage that displays detailed information about the hardware and software on a workstation inside the web browser.  This is a great tool and gives very detailed information, give it a try.

http://www.belarc.com/free_download.html

BgInfo

BgInfo is a great tool to put useful computer information on the background of a workstation. Host Name, Boot Time, CPU, Free Disk Space, IP Address, Memory, OS Version, Service PAck, Snapshot Time, System Type, Volumes, and more...  This information is great on a server so its quick to find.

http://technet.microsoft.com/en-us/sysinternals/bb897557.aspx

Offline Password Editor

Ever take a computer off the domain to find out you dont know what the local admin account password is?  How about a client brings you their laptop and says they dont remember their password.   Well this cd ISO will let you boot into a linux shell and clear the password to any local user. You can even create new users and change passwords.

To download go to the site below, click Boot Disk, scroll down until you see a CD#####.zip  "Bootable CD Image"   download the ISO and burn a CD to boot from.

http://pogostick.net/~pnh/ntpasswd/

SIW

SIW or System Information for Windows is an app that will tell you just about anything you may need to know about your system.  From hardware to software it knows it all. It will inform you of how many sticks of memory, the speeds they are, the size and how many slots are available and how many are taken up. It will tell you software serial numbers, product keys, software inventory, hardware inventory, Network information, network tools, real-time monitors.  This program has it all! Best part is that you dont even have to install it, they have a standalone version, PortableApps version, and a U3 version.

http://www.gtopala.com/

TreeSize

With TreeSize you can scan an individual folder or an entire hard drive and it will sort the folders by size so you can find out what is taking up space on your hard drive.  This is very helpful when you are running out of room and need to clean out some large files but don't know what is taking up so much room.

http://www.jam-software.com/freeware/index.shtml