OpenModelica - OpenModelica – A Free Modelica Environment!
AnyLogic - AnyLogic has changed simulation modeling and expanded its application into complex business environments. The unmatched flexibility of multimethod modeling allows users to capture the complexity of virtually any system, at any level of detail.
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
ns-3 - a discrete-event network simulator for internet systems
SimulationX - SimulationX is a system simulation solution provided by ESI ITI. The company has been operating for over 25 years. The SimulationX software was introduced in 2015. Read more about SimulationX.
NetSim - NetSim software was created to simulate various Cisco systems. Cisco software is known around the world as being one of the best network, routing and switch systems for businesses and private use. Read more about NetSim.