Active ERASER 

Active Eraser is the most comprehensive data-destruction toolset that includes Windows and DOS applications, for keeping your PC secure from undesired data recovery. Supports U.S. DoD 5220.22-M, VSITR, GOST P50739-95 and Gutmann sanitation standards.
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PrivacyDummy! 

PrivacyDummy! will quickly and easily clean your PC and web browser history including sites you've visited, files you've opened, images you've viewed, and more.
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SNetGuard 

Block any specific URL, domain name or type of file easily! Block any specific IP address! Block annoying ad pop-up windows! Log all URLs and IPs that are visited!
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MacWasher X 

Webroot Software's MacWasher® X provides security on Macintosh OS X byallowing you to power-wash your activity history, protecting your privacy online & offline. The improved bleach feature allows you to completely wipe out data for total privacy.
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Active Cleaner 

Active Cleaner is all-in-one tool that can erase traces of your online (browser history, cookies, cache) and offline activity, clean your hard drive of junk files, and protect your computer from spyware and internet worms.
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Internet Cleaner 

Remove all traces of your computer activity (including recently visited sites, browser cache and cookies, Start menu history, documents history etc.) and free the hard drive space by erasing the Scandisk file fragments and emptying the Recycle Bin.
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