Nessus
Wireshark
Snort
Netcat
Metasploit Framework
Hping
Kismet
TCPDUMP
Cain and Abel
John the Ripper
Ettecap
Nikto
PuTTY
THC-Hydra
Paros
dsniff
NetStumbler
THC Amap
GFI LANguard
Aircrack
SuperScan
Retina Network Security Scanner
Perl-Ruby-Python
L0phtcrack
Scapy
Sam Spade
GnuPG
Airsnort
BackTrack
p0f
Google
WebScarab
Ntop
ngrep
NBTScan
WebInspect
OpenSSL
Xprobe2
EtherApe
IDA
pwdump6
LSoF
RainbowCrack
Firewalk
Angry IP Scanner
RKHunter
Ike-scan
Arpwatch
KisMAC
OSSEC HIDS
Nemesis
Tor
Knoppix
Fport
chkrootkit
SPIKE Proxy
Yersinia
Nagios
Fragroute
X-scan
Whiskerlibwhisker
Socat
Sara
clamAV
cheops
Burp Spider
Brutus
Unicornscan
Stunnel
Honeyd
Fping
BASE
Argus
Wikto
Sguil
Scanrand
VMware
Tcptraceroute
OpenVPN
OllyDbg
Acunetix Web Vulnerability Scanner
TrueCrypt
AppScan
NStealth
