AVG Anti-Spyware offers protection against urgently growing threats like Trojans, Worms, Dialers, Hijackers, Spyware and Keyloggers. ewido anti-spyware begins and supplements existing security applications to crea

Ad-Aware gives you comprehensive malware protection. With real-time monitoring, threat alerts, and automatic updates you can rest easy knowing that you are protected.

Malwarebytes' Anti-Malware can detect and remove malware that even the most well known anti-virus and anti-malware applications fail to detect.

Spybot - Search & Destroy detects and removes spyware, a relatively new kind of threat not yet covered by common anti-virus applications.