Security

Anti-virus

Bitdefender Free

Great if you want a strong, silent, and free antivirus solution


Avast

Expect great all-around protection against viruses and trojans.


Avira AntiVir Personal
Lightweight and solid. Good ratings


Firewall

Comodo


Anti-spyware

Superantispyware


Malwarebytes' Anti-Malware


Encryption

Truecrypt

Disk encryption software. Encrypt and hide sensitive files.

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