Privacy and Registry Cleaner
Privacy and Registry Cleaner is a safe and easy-to-use privacy protection tool, that allows you to erase common Internet and computing tracks, including browser cache, cookies, visited websites, typed URLs, recent documents, index. dat files and more. ... You can also easily erase the tracks of up to 100 popular applications. ... The cookie cleaning feature allows you to specify which cookies to keep, so that you don't erase your important login cookies. ... For maximum safety, Privacy and Registry Cleaner will make a backup of the repaired entries.
http://www.cleanersoft.com/download/PRCSetup.exe - 1,005Kb - Download - Screenshot

Privacy Protector
Your computer is spying on you now! It stores all the evidence into your hard disk. Anyone using your computer can see where you have been on Internet, what images and movies you have seen, and even anything you have done on your computer could be seen by others. ... With simply one click, Privacy Protector allows you to erase the cache, cookies, history, typed URLs, autocomplete memory from your browsers, and Window's temp folder, run history, search history, recent documents, network password, etc.
http://www.cdmp3soft.com/softdownload/privacy.exe - 3Mb - Download - Screenshot

Privacy Sweeper
Your computer is spying on you now! It stores all the evidence into your hard disk. Anyone using your computer can see where you have been on Internet, what images and movies you have seen, and even anything you have done on your computer could be seen by others. ... With simply one click, Privacy Sweeper allows you to erase the cache, cookies, history, typed URLs, autocomplete memory from your browsers, and Window's temp folder, run history, search history, recent documents, network password, etc.
http://www.zjsoftware.com/psweep.exe - 3Mb - Download - Screenshot

Data Wipe Software
To erase magnetic media, we need to overwrite it many times with alternating patterns in order to expose it to a magnetic field oscillating fast enough that it does the desired flipping of the magnetic domains in a reasonable amount of time. Using our knowledge of how the data is encoded, we... Data Wipe is designed with tested algorithms that erase data from the media to make it impossible to retrieve. ... -Wipes unused clusters. ... dat, the swap file and "Cookies" that track your internet history.
http://www.unistal.com/download/DataWipeDemo.zip - 2Mb - Download - Screenshot

NetShred X
Clear Cache, erase History permanently with NetShred X, the easy-to-use internet track eraser for Mac OS X that securely erases cached files your browser and email programs leave behind. NetShred X is the internet privacy software that is easy, fast and cleaner. ... To dispose of these internet tracks, you need an internet track eraser to erase them so they can't be recovered. ... Cleaner because it will erase, not just delete all internet tracks for almost every browser and email program on Mac OS X.
ftp://ftp.mireth.com/netshredx.dmg.zip - 2Mb - Download - Screenshot

NetShred
Clear Cache, erase History permanently with NetShred, the easy-to-use internet track eraser for Mac OS 8 and OS 9 that securely erases cached files your browser and email programs leave behind. NetShred is the internet privacy software that is easy, fast and cleaner. ... To dispose of these internet tracks, use an internet track eraser to erase them so they CAN'T be recovered. ... Cleaner because it will erase, not just delete all internet tracks for almost every browser and email program on Mac OS 8/9.
ftp://ftp.mireth.com/NetShred.FAT.sit.hqx.zip - 2Mb - Download - Screenshot

Purge (Confidential Files Eraser)
Purge is a program that allows you to delete files from your computer the way, it won't be possible to recover them using any file recovering software or even by giving your harddrive to the professional company that specialize in data recovering. Standard "Delete" method provided to you by the... Purge allows you to permamently erase these files from your hardrive, by overwriting their's content with random data, sector by sector. ... Simply select files/directories in Windows Explorer you want to permamently erase, right click and choose "Purge" menu item, which is just below Delete item.
http://www.4neurons.com/other/Purge/InstallPurge.zip - 194Kb - Download - Screenshot

NShred
With NShred you can eliminate confidential information and data from PC hard disks. Name, size, contents of erased file or folder can never be recovered, by any software or hardware means. Why just deleting is not enough? When you delete a file or a folder in WindowsTM it is not actually erased. ... The user will be able to erase it later when it is no more locked by the OS. ... For instance, if the OS denies a delete operation, NShred will NOT erase the file. ... This procedure guarantees that not even a single byte from the former file can ever retrieved.
http://www.littlelite.net/nshred/sw/NShred12Setup.exe - 927Kb - Download - Screenshot

AbsoluteShield Internet Eraser Pro
Sometimes, you just want to cover your tracks. AbsoluteShield Internet Eraser protects your privacy by cleaning up all the tracks of your Internet and computer activities. The tool is integrated with IE and it can erase the browser cache, history, cookies, typed URLs, autocomplete list and so on... Additional plug-ins can erase tracks left by other applications such as MS Office, WinZip, RealPlayer and Windows Media Player. ... You can also it to automatically erase those tracks when you quit IE or quit Windows.
http://download.internet-track-eraser.com/download/eraserpro.exe - 1Mb - Download - Screenshot

Free Internet Window Washer
Free Internet Window Washer is a free and easy to use software that will safe guard your privacy by cleaning up the tracks of your activities on your PC and the Internet. As you work on your computer and browse the Internet, you leave behind traces of your activity. ... You can also easily erase the tracks of up to 100 popular applications. ... Free Internet Window Washer allows you to erase Window's temp folders, run history, search history, open/save history, recent documents, your browser's cache, cookies, history, visited URLs, typed URLs, autocomplete memory, index.
http://www.qwerks.com/download/8492/FIWWSetup.exe - 730Kb - Download - Screenshot