Free Anti Spyware & Adware

KL-Detector v1.0
http://dewasoft.com/privacy/kldetector.htm

Spyware Guard v2.2
http://www.javacoolsoftware.com/spywareguard.html

Perfect process v1.1
http://www.veloci.dk

X-RayPC Spyware Process Analyzer v1.001
http://www.x-raypc.com

Webroot SpyAudit v4.0
http://www.webroot.com

HijackThis v1.99.1
http://www.tomcoyote.org/hjt

Bazooka v1.13.03
http://www.kephyr.com

Spyboot - Search & Destroy v1.4
http://www.safer-networking.org

Ad-Aware v1.06 SE Pers
http://www.lavasoftusa.com

EMCO Malware Destroyer v3.0
http://www.emco.is

ArovaxShield v1.2.314
http://www.arovaxshield.com

SpywareBlaster v3.5.1
http://www.javacoolsoftware.com/spywareblaster.html

Doctor Alex Antispyware v2.01
http://www.doctor-alex.com

SpyDefense v0.9.8.122 Beta
http://www.everestlabs.com

Windows Defender vBETA 2
http://www.microsoft.com/downloads

XP-AntiSpy v3.95-2
http://www.xp-antispy.org