Free Internet Eraser 2.50
Free Internet Eraser protects your Internet privacy by permanently erase internet history and past computer activities. Free Internet Eraser implements the US Department of Defense DOD 5220.22-M and NSA clearing and sanitizing standard, to gives you confidence that once deleted with Free Internet Eraser, your file data is gone forever and can not be recovered.

MacWasher X 1.1
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 gives you security that is more than 11 times stronger than the US Department of Defense requirements. Added features include cleaning for many popular chat programs, a much wider variety of browsers (including Safari), and a more robust Custom Wash feature.