Simulation software is widely used across various industries and consultancy services for purposes such as product design, process optimization, and system analysis. Here are some of the popular simulation software tools currently used:

General-Purpose Simulation Software

1. MATLAB/Simulink: Used for mathematical modeling, simulation, and prototyping in engineering and science.
2. ANSYS: Provides simulation solutions for structural, thermal, fluid dynamics, and electromagnetic analysis.
3. COMSOL Multiphysics: Allows simulation of coupled physical processes and phenomena.
4. Simul8: Used for discrete event simulation, primarily in operations and logistics.

Engineering and Manufacturing

1. SolidWorks Simulation: Integrated with SolidWorks CAD software for mechanical simulation.
2. Autodesk Simulation: Includes tools like Autodesk CFD, Moldflow, and Nastran In-CAD for various engineering simulations.
3. PTC Creo: Offers comprehensive simulation tools for product design and development.

Process and Chemical Engineering

1. Aspen HYSYS: Used for process simulation and optimization in chemical and petroleum industries.
2. CHEMCAD: A chemical process simulation software for design, analysis, and optimization.
3. DWSIM: An open-source chemical process simulator.

System and Network Simulation

1. Simulink/Stateflow: Part of MATLAB, used for modeling, simulating, and analyzing dynamic systems.
2. OMNeT++: A discrete event simulation environment for network simulations.
3. NS-3: A discrete-event network simulator, primarily used for research and educational purposes.

Industrial and Logistics

1. AnyLogic: Used for business and industrial simulations, including supply chain, manufacturing, and logistics.
2. FlexSim: Focuses on simulation of manufacturing, healthcare, and warehousing systems.
3. Arena Simulation Software: Used for modeling and analyzing the behavior of complex systems in manufacturing and service industries.

Financial and Economic Modeling

1. MATLAB: Extensively used in quantitative finance for risk management and algorithmic trading.
2. R: Open-source software for statistical computing and graphics, widely used for financial simulations.
3. Python (with libraries such as NumPy, SciPy, and Pandas): Popular in financial modeling and simulations.

Healthcare and Medical

1. Simul8 Healthcare: Tailored for simulating healthcare systems and processes.
2. AnyLogic Healthcare: Used for simulating healthcare management and logistics.

Specialized Software

1. Simcenter (Siemens): Provides solutions for 3D CAE, 1D system simulation, and test-based simulations.
2. Lumerical: Focuses on photonics simulation for designing and analyzing photonic components and systems.
3. ITK-SNAP: A tool for segmenting and visualizing 3D medical imaging data.

These tools are continually updated and expanded with new features to meet the evolving needs of industry and consultancy services.