Anti Spyware:

Ad-aware - http://www.lavasoft.de/software/adaware/

Bazooka - http://www.kephyr.com/spywarescanner/index.html

SpyBot Search & Destroy - http://spybot.safer-networking.de/

SpywareBlaster - http://www.javacoolsoftware.com/spywareblaster.html

SpywareGuard – (free online site) http://spywareguard.com/