Free personal firewall for home or corporate users. Allows multiple configurations. Can be used to block objectionable content as well as monitor network connections and check e-mail attachments. [Windows 98/2000/XP/2003]
Searches whole computer or just a certain file for malicious software commonly missed by anti-virus programs. Can be used to clean usage tracks. For 32-bit Windows, XP AMD 64, Symbian, Linux/Unix with Wine.