Collabry is an open API for building of collaboration/social networking. The API defined as a set of webservices, as a set of class libraries for rapid development web interfaced collaboration/social networking applications.
JetClass, Java net-class application, allows virtual lectures to be held by teachers and students located in front of their computers, somewhere around the globe. It's written in Pure Java, relying on CORBA for network communications.
A library of LAN tools based on wxWidgets. A ping, a network scanner searching for all the available PCs,printers etc, a local port scanner, a chat/fileshare and a data-traffic collector . Anything else can be added.
The NEtwork Visualisation Environment is a framework for 3D-visualisation of and interaction with networks, especially communication networks as the internet in both real time and as a simulation tool. Based on JMX/Java3D.
Application to display, as well as interpret, firewall information from a database to serve a variety of users needs. The application is online and cross-platform, written using PHP.