Raddle is a network emulation framework. It is particularly useful when
testing network management systems or teaching people to use them.
Raddle supports ping, SNMP, traceroute, and other protocols.
PHPterm is a terminal/shell emulator for PHP which let's you execute shell commands just like in a shell, but all within your browser window over the HTTP protocol.
It aims to provide the look and feel of konsole, the KDE terminal.
OUDPMS is an educational tool that visualizes the process of global process management and resource allocation. It is also a simulation and evaluation tool for various distributed process scheduling and resource allocation algorithms.