Set Linux as router in one command
The Free & Popular opendhcp application for Physical & Virtual Machine
Serial <-> TCP/IP, Serial <-> UDP/IP, TCP/IP <-> UDP/IP
OpenWRT ©VMWare ©ESXi Appliance NAT router
The box to keep the Internet under your control
Remotely Set IP Address, Gateway, Subnet, or DNS Server
Free TCP hole punch 4all
A modular IP router for Linux platforms
Recursive mapping/discovery of network devices via CDP/OSPF
Captive portal and access control manager for Linux-based hotspots
Send steganographed text messages to mtr with fake hops in the network