Free Lock Manager
Open-Source Domain Name Registry Platform based on Perl and mod_epp
360-FAAR Analyze FW1 Cisco Netscreen Policy Offline Using Config/Logs
IOSec Addons are enhancements for web security and crawler detection
Recursive mapping/discovery of network devices via CDP/OSPF
Multithreaded Proxy Enumeration Utility
SSH Protector
Easy to use firewall for linux beginners.
Perl Hacking Tools (BackTrack)
XML Traffic Generator
Cisco IP Phone Inventory - Serial Number, MAC, Model, and more...
dhcpd.conf generator
Monitor your network services and displays a DEFCon level