- Nessus: The premier Open Source vulnerability assessment tool
- Ethereal: Sniffing the glue that holds the Internet together
- Snort: A free intrusion detection system (IDS) for the masses
- Netcat: The network swiss army knife
- TCPDump / WinDump: The classic sniffer for network monitoring and data acquisition
- Hping2: A network probing utility like ping on steroids
- DSniff: A suite of powerful network auditing and penetration-testing tools
- GFI LANguard: A commercial network security scanner for Windows
- Ettercap: In case you still thought switched LANs provide much extra security
- Whisker/Libwhisker: Rain.Forest.Puppy's CGI vulnerability scanner and library
Enlaces y demas herramientas en su sitio http://www.insecure.org/tools.html
Alguien utiliza alguna, agluna recomendacion, algun comentario, alguna otra herramienta que quieran comprartir?