The standard version is meant for educational customers doing Network R & D and comes with protocol source, packet & event tracing and external interfacing for all technology libraries. There is vast list of technologies / protocol libraries covered in NetSim standard version.
Popular areas of Research where NetSim is being used are:
Simulation of Intrusion Detection System in MANET using NetSim
NetSim - LEACH algorithm for Wireless Sensor Networks (WSN)
Extensive help documentation containing synopsis, basics, reference / bibliography and test case for user code verification.