ClamWin
ClamWin is a Free Antivirus for Microsoft Windows. Free for commercial-use!
Windows Download Page
Linux Download Page
GNU General Public License (GPL)
Windows 98 / ME / 2K / XP / 2003 / Vista
Linux
Portable Eraser
Eraser allows you to completely remove sensitive data from your hard drive by overwriting it several times with carefully selected patterns. The patterns used for overwriting are selected to effectively remove magnetic remnants from the hard drive so that they cannot be recovered. Eraser Portable is a portable wrapper for Eraser.
Freeware/Open Source
Windows 95 / 98 / ME / NT / 2K / XP
KeePass
KeePass is a password manager (or safe) which helps you to manage your passwords in a secure way. You can put all your passwords in one database, which is locked with one master key or a key-disk. So you only have to remember one single master password.
GNU General Public License (GPL)
Windows 95 / 98 / ME / 2K / XP / Vista
Wine under *nix (no toolbar)
