OpenBSD based firewall distribution
The Free & Popular opendhcp application for Physical & Virtual Machine
Serial <-> TCP/IP, Serial <-> UDP/IP, TCP/IP <-> UDP/IP
BACnet stack for Rabbit 4000/5000/6000
Pioneering Private and Public Cloud Management since 2008
An Open Source POWERLINK network configuration toolkit
a virtual TAP router for virtual machines and alike
A MAC address based user authentication system for campus-wide network
Tools to help you control IT systems and escape their control over you
A network user authentication system for mobile and public terminals
The Project moved to github https://github.com/EnFlexIT/AgentWorkbench
Networking framework for Java applications
Collects data about network useage using libpcap.
An impressive early implementation of TCP/IP
Detect Flooder IPs, Reduce Attack Surface against HTTP Flood Attacks
Some Plugins for Nagios and Icinga