X-Cleaner 

Allows Windows users an easy way to clean their surfing and PC activities. Also alerts user and disables many popular spy ware packages. Free limited version. Lots of extra features to protect your privacy.
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TrojanShield 

Use Trojan Shield to protect yourself from hackers and Trojan viruses. If a hacker tries to break into your computer, Trojan Shield automatically warns you so you can take action against them.
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RegistryProt 

RegistryProt is a free, compact, realtime registry monitor and protector, that adds another dimension to Windows security. By monitoring important locations and keys in the Windows system registry, RegistryProt alerts you to changes immediately.
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