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
FlexSim - Simulation software to model, simulate, predict, and visualize systems in manufacturing, material handling, healthcare, warehousing, mining, etc.
ANSYS Fluent - ANSYS engineering simulation and 3D design software delivers product modeling solutions with unmatched scalability and a comprehensive multiphysics foundation.
SIMUL8 - Simulation is an effective system that permits you to make striking, certain choices since it gives you the confirmation to make certain you are settling on the right decision.