BitDefender Linux Edition v.7.0 (for Workstations)
Free effective anti-virus security solution for systems running Linux; free updates of all signature files and high scanning speed.
Deception Toolkit
Performs emulation of other operating systems and vulnerabilities not found on the host; in order to deceive and solicit invaild attempts of exploitation by malicious individuals.
Ethereal Network Analyzer
Network protocol analyzer for Unix that allows examination of data from a live network, or from a capture file on disk.
GNUPG- Gnu Privacy Guard
An open source OpenPGP compatible encryption system. Provides data integrity services for messages and data files by using digital signatures, encryption, and compression.
JunkBuster
Freeware for Unix/Linux/FreeBSD/OS2/BeOS/Windows 95/98/ME/NT4. Web proxy that filters banner ads, cookies, and referer tracking. Supports wafers and User-Agent spoofing.