FlexSim - Simulation software to model, simulate, predict, and visualize systems in manufacturing, material handling, healthcare, warehousing, mining, etc.
Mastercam - Mastercam's Dynamic Milling is a game changer for us.
ns-3 - a discrete-event network simulator for internet systems
Autodesk Fusion 360 - Integrated CAD, CAM, and CAE featuring collaborative editing and cloud-based computation.
Paessler Multi Server Simulator - Paessler Multi Server Simulator is inexpensive and robust software that helps you power massive-scale testing.
Vectric Aspire - The complete software solution for CNC Routing,