A simple packet sniffer for local networks
A modular IP router for Linux platforms
System network speed control.
Recursive mapping/discovery of network devices via CDP/OSPF
Modify Request Headers, Response Headers, Dialer, Tun Sock's Tap
Disconnect your children from the Internet after bedtime.
Multithreaded Proxy Enumeration Utility
Extracts multiple proxies from a list of websites
Open Source BGP Looking-glass
several bash scripts for firewall, traffic shaper and development
NetStress is a DDoS and network stress testing tool.
Simple software to help manager leases on dhcp server
Network Intrusion Detection and Full Packet Capture System
Send steganographed text messages to mtr with fake hops in the network
The network calculator with many tools for IPv4,IPv6
Drop specified IP n seconds remotely, auto-undrop it when timeout.
Simple Multi Protocol Packet Sniffer - SMPPS