Microsoft Windows Defender
- Spyware scanning and removal tool, with realtime system monitoring. Free for licensed Windows customers.
- http://www.microsoft.com/athome/security/spyware/software/default.mspx

Spybot Search&Destroy
- This program searches your whole computer or just a certain file for viruses commonly missed by other anti-virus programs. It lets you clean usage tracks and some registry inconsistencies and extended reports.
- http://www.spybot.info/

F-Prot Antivirus for DOS
- Free for home use. Heuristic virus scanner also detects Trojans. Runs in DOS 3.3 or later, Windows 3.x/95/98, or in a DOS or Windows emulator on Unix, Linux, or MacOS.
- http://www.f-prot.com/products/home_use/dos/

Symantec Removal Tools
- Freeware executables designed to remove specific viruses from a system.
- http://www.symantec.com/avcenter/tools.list.html

Avira
- Free antivirus package for use by private individuals. Site includes user guide and link to support forum.
- http://www.free-av.com/

Avast 4 Home Edition
- Antivirus package available free for noncommercial home users.
- http://www.avast.com/eng/avast_4_home.html

HostsMan
- Windows application that lets you manage your hosts file with ease. Prevent other programs from writing to the hosts file, scan hosts for duplicates and errors, create encrypted backups of hosts file.
- http://pwp.netcabo.pt/0413933601/abelhadigital/hostsman.html

R-Firewall
- Free personal firewall for home or corporate users. Allows multiple configurations. Can be used to block objectionable content as well as monitor network connections and check e-mail attachments. [Windows 98/2000/XP/2003]
- http://www.r-firewall.com/

PhishGuard
- Detects and disables Internet phishing or spoofing attacks designed to steal critical financial data. Protect Against Internet Phishing Scams.
- http://www.phishguard.com/

SpywareGuard
- Provides a real-time protection solution against spyware.
- http://www.javacoolsoftware.com/spywareguard.html

AVG Free Edition
- The free version of Grisoft's anti-virus programs, for personal use with Windows or Linux.
- http://free.grisoft.com/

KeePass
- An open-source password safe. Passwords can be stored in highly-encrypted databases, that can be unlocked with one master key or key-disk. For 32-bit Windows. Links to a port for Linux and MacOS X, and a converter for PalmOS.
- http://keepass.sourceforge.net/

Protected Storage PassView
- Small utility that reveals the passwords stored on your computer by Internet Explorer, Outlook Express and MSN Explorer. [Windows 95/98/ME/NT/2000/XP]
- http://www.nirsoft.net/utils/pspv.html

TritaFile
- Program that shreds any file archive, hidden, system, read only, or folder. [Win32]
- http://www.tritafile.com/

KL-Detector
- Software to detect keylogging activity on the computer and information on how to remove a keylogger installed on the system.
- http://dewasoft.com/privacy/kldetector.htm