ExtendSim DE is the ExtendSim configuration meant for discrete events simulations, and is used to analyze virtual or physical flows where temporal events cause moves or changes in the state of a system. It is the most used product for industrial studies or the optimization of organizations.
ExtendSim PRO provides flow simulation with essential functionalities for modeling continuous and hybrid flows, as found in the process industry. Also allows to model reliability diagrams. It is the complete toolkit for the simulation professional.