Managing OpenBSD's Packet Filter with Python
distributed nmap framwork
Bandwidth Monitoring Tool; Console SNMP traffic monitor
Tool for identifying Network Service Dependencies
Monitoring your infrastructure for free.
A simple TCP/UDP Port Flooder written in Python.
Remote server monitoring application
DNS Validating Stub Resolver
nagios-statd patch for use with python >= 2.6
Organizing the Knowledge of Humanity
Open Source System and Network Monitoring for Linux Desktop
...a work in progress.