SUMO is a microscopic, multi-modal traffic simulation.
Open-source simulator for autonomous driving research.
Automates the building of VANET simulations using SUMO and OMNeT++
Multiagent simulator of road traffic in Qt/C++ and OpenStreetMap.
Otanes is a live TV simulator for Content-Centric Networking (CCN).
BlueSky Open Air Traffic sim, (Windows/Linux/Mac, Python 2.x based)
Network security simulator
A standard test set for evaluating traffic control technologies
vtSim is a traffic data and simulation management environment
Networked training tool for Air Traffic Controllers