NetFlow iptables module for Linux kernel
Xplico is a Network Forensic Analysis Tool (NFAT)
continuation of the famous proxychains project by netcreature
DSL for writing communication benchmarks
PCAP from another point of view
A powerful network security tool, easy, safe and totally free.
Datagrams and Udp For Tcl
Linux Server and Data-Center WAN Optimization
PeerGuardian - a privacy oriented firewall application
Pinger alert, STATICTICAL TABLES, send EMAILs or SMS by SMS GATEWAY
implementation based on the Richards Stevens book.