The EDDIE Tool is a system monitoring, security and performance analysis agent developed entirely in Python. Its key features are portability, powerful configuration and ease of expansion.
System Health Monitor is a handy python program that will setup your system to generate RRD Graphs of network interface traffic, system load, memory usage, disk space and inode usage and running processes.
EPAN is a protocol analyzer for ethernet networks. The program allows you to display the received frames either in an overview mode or in a frame detail mode.