XSockets is an open, lightweight, and highly portable library of universal and extensible super sockets for point-to-point communication. It provides a unified API for many communication methods between programs and devices. Currently, many methods of point-to-point communication are well established, like TCP/IP sockets, serial links, named pipes, infrared, or Bluetooth connections. XSockets is meant to provide a single API that can be used for of these methods and more.
Brazilfw is a mini-distribution designed for setting up network utility services such as Internet connection sharing, firewalling, or wireless access points. The goal is to make it as quick and easy as possible to set up a Linux system with only a minimal amount of Linux knowledge. The main goal of BrazilFW is to continue the development of what was the Coyote Linux floppy firewall system.
Transparent Mobile IP (TMip) aims to provide IP mobility across multiple networks, ensuring that all active TCP sessions will be maintained upon client migration. No client-side software or alteration to the IP stack is required. The network itself changes to provide connectivity to hosts, using IP tunneling techniques.