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The Free Software Catalog

Anti-Spyware

These are the best and most effective free anti-spyware packages available. It is a good idea to have at least one of these packages installed. You don't necessarily need to run the active scanner all of the time, however, you should scan your machine on a regular basis. Perhaps once per month or even once per week depending on the kind of sites you tend to visit.

Be wary of some free anti-spyware programs that are really just fakes. While they may or may not remove spyware from your PC they are often nothing more then adware. All of the ones listed here are safe.

Windows
Ad-Aware Free
by Lavasoft
Version: 9.6.0 
Released: Nov 2, 2011

A tool for cleaning your computer of and preventing it from spyware.



Windows  Mac  Linux  Unix
Open Source
Adblock Plus for Firefox
by Wladimir Palant
Version: 1.3.10 
Released: Sep 28, 2011

A Firefox add-on the prevents ads from being displayed.

Windows
AVG Anti-Virus Free Edition
by AVG Technologies
Version: 2012.0.1872 
Released: Nov 17, 2011

Keep your PC virus free with this very high quality anti-virus package. Includes frequent updates and uses very little memory.



Windows
CCleaner
by Piriform
Version: 3.12.1572 
Released: Oct 26, 2011

An excellent tool for cleaning up old files, clearing your history and keeping your machine clean. Use it to disable unnecessary start up programs. Also includes a registry cleaner and software uninstaller.



Windows
Google Pack
by Google
Version: Beta 
Released: Jan 10, 2008

A complete collection of software goodies in one download. Highly recommended!!

Windows
HiJackThis
by Trend Micro
Version: 2.0.4 
Released: Apr 21, 2010

Provides an in depth report of your computer for expert review.

Windows
Microsoft Security Essentials
by Microsoft
Version: 1.0.2498 
Released: Oct 11, 2010

Microsoft Security Essentials provides real-time protection for your home PC that guards against viruses, spyware, and other malicious software.

Windows
MS Windows Defender
by Microsoft
Version: 1593 
Released: May 23, 2007

An anti-spyware package from Microsoft.

Windows  Mac  Linux  Unix
Open Source
NoScript
Version: 1.7.8 
Released: Aug 5, 2008

A Firefox add-on that prevents JavaScript from running.

Windows
Rootkit Revealer
by Microsoft
Version: 1.71 
Released: Nov 1, 2006

Detects the presence of "rootkits", malware that goes to great lengths to embed and hide itself within your system.

Windows
Spybot Search & Destroy
by Safer Networking
Version: 1.6.2 
Released: Jan 28, 2009

An excellent tool for protecting your PC from spyware.

Windows
SpyCatcher Express
by Tenebril
Version: 5.1 
Released: Sep 15, 2008

An anti-spyware package.

Windows
Spyware Terminator
by Crawler, LLC
Version: 3.0.0.45 
Released: Sep 29, 2011

An anti-spyware application that can integrate with ClamWin to provide real-time anti-virus scanning. An excellent security alternative for business users.

Windows
SpywareBlaster
by Javacool Software
Version: 4.4 
Released: Sep 1, 2010

An anti-spyware package.

Windows
WinPatrol
by BillP Studios
Version: 20.5.2011.0 
Released: May 17, 2011

WinPatrol is a nice utility that monitors changes to key areas within Windows.

Windows  Mac  Linux  Unix
Yahoo! Toolbar for Mozilla FireFox
by Yahoo!
Version: 1.6.2.20080910 
Released: Sep 20, 2008

A browser toolbar for consolidating access to Yahoo! services. There is also version for Internet Explorer.

Windows
ZoneAlarm
by Check Point
Version: 10.1.065.000 
Released: Nov 17, 2011

A software based firewall that is essential for anyone not working behind a NAT enabled router.