Delete On Click - secure delete utility
DeleteOnClick is a free very simple to use file secure delete utility for Microsoft Windows 98SE/ME/ 2000/XP/2003 and Vista.
Cleanup Assistant for windows
Cleanup Assistant is a set of 7 tools that help you keep a clean hard drive.
Disk Cleaner - for Windows Vista and Windows XP
Every day the programs on your computer create temporary and garbage files and leave them behind on your hard disk. These files build up over time, taking up valuable hard disk space and slowing your system down.
Turn your Gmail account into free online storage
Gspace turns the xGB of your Gmail account into free online storage.