# List of computer simulation software

The following is a list of notable computer simulation software.

## Free or open-source

* Advanced Simulation Library - open-source hardware accelerated multiphysics simulation software.
* ASCEND - open-source equation-based modelling environment.
* Cantera - chemical kinetics package.
* Celestia - a 3D astronomy program.
* CP2K - Open-source ab-initio molecular dynamics program.
* DWSIM - an open-source CAPE-OPEN compliant chemical process simulator.
* EFDC Explorer - open-source for processing of the Environmental Fluid Dynamics Code (EFDC).
* Elmer - an open-source multiphysical simulation software for Windows/Mac/Linux.
* FlightGear - a free, open-source atmospheric and orbital flight simulator with a flight dynamics engine (JSBSim) that is used in a 2015 NASA benchmark to judge new simulation code to space industry standards.
* FreeFem++ - Free, open-source, multiphysics Finite Element Analysis (FEA) software.
* Freemat - a free environment for rapid engineering, scientific prototyping and data processing using the same language as MATLAB and GNU Octave.
* Gekko - simulation software in Python with machine learning and optimization
* GNU Octave - an open-source mathematical modeling and simulation software very similar to using the same language as MATLAB and Freemat.
* JModelica.org is a free and open source software platform based on the Modelica modeling language.
* Mobility Testbed - an open-source multi-agent simulation testbed for transport coordination algorithms.
* Meep - an open source package for electromagnetic simulation with finite-difference time-domain (FDTD) method
* NEST - open-source software for spiking neural network models.
* NetLogo - an open-source multi-agent simulation software.
* ns-3 - an open-source network simulator.
* OpenFOAM - open-source software used for computational fluid dynamics (or CFD).
* OpenModelica - an open source modeling environment based on Modelica the open standard for modeling software.
* Open Source Physics - an open-source Java software project for teaching and studying physics.
* OpenSim - an open-source software system for biomechanical modeling.
* Physics Abstraction Layer - an open-source physics simulation package.
* Project Chrono - an open-source multi-physics simulation framework.
* Repast - agent-based modeling and simulation platform with versions for individual workstations and high performance computer clusters.
* SageMath - a system for algebra and geometry experimentation via Python.
* Scilab - free open-source software for numerical computation and simulation similar to MATLAB/Simulink.
* Sim4Life.lite - online version of Sim4Life that is free-of-charge for students for team-learning and online collaboration with classmates and teachers on limited size projects.
* Simantics System Dynamics – used for modelling and simulating large hierarchical models with multidimensional variables created in a traditional way with stock and flow diagrams and causal loop diagrams.
* SimPy - an open-source discrete-event simulation package based on Python.
* Simulation of Urban MObility - an open-source traffic simulation package.
* SOFA - an open-source framework for multi-physics simulation with an emphasis on medical simulation.
* SU2 code - an open-source framework for computational fluid dynamics simulation and optimal shape design.
* Step - an open-source two-dimensional physics simulation engine (KDE).
* StochSD - Stochastic and deterministic modelling and simulation based on the System Dynamics approach to Continuous System Simulation (CSS).
* Tortuga - an open-source software framework for discrete-event simulation in Java.
* UrbanSim – an open-source software to simulate land use, transportation and environmental planning.

## Proprietary

* Adaptive Simulations - cloud based and fully automated CFD simulations.
* Akselos - reduced-basis finite element-based simulation software for structural and thermal analyses.
* AGX Dynamics - realtime oriented multibody and multiphysics simulation engine.
* 20-sim - bond graph-based multi-domain simulation software.
* Actran - finite element-based simulation software to analyze the acoustic behavior of mechanical systems and parts.
* ADINA - engineering simulation software for structural, fluid, heat transfer, and multiphysics problems.
* ACSL and acslX - an advanced continuous simulation language.
* Algodoo - 2D physics simulator focused on the education market that is popular with younger users.
* Simcenter Amesim - a platform to analyze multi-domain, intelligent systems and predict and optimize multi-disciplinary performance. Developed by Siemens Digital Industries Software.
* ANSYS - engineering simulation.
* AnyLogic - a multi-method simulation modeling tool for business and science. Developed by The AnyLogic Company.
* APMonitor - a tool for dynamic simulation, validation, and optimization of multi-domain systems with interfaces to Python and MATLAB.
* Arena - a flowchart-based discrete event simulation software developed by Rockwell Automation
* Automation Studio - a fluid power, electrical and control systems design and simulation software developed by Famic Technologies Inc.
* Chemical WorkBench - a chemical kinetics simulation software tool developed by Kintech Lab.
* CircuitLogix - an electronics simulation software developed by Logic Design Inc.
* COMSOL Multiphysics - a predominantly finite element analysis, solver and simulation software package for various physics and engineering applications, especially coupled phenomena, or multi-physics.
* CONSELF - browser based CFD and FEA simulation platform.
* DX Studio - a suite of tools for simulation and visualization.
* Dymola - modeling and simulation software based on the Modelica language.
* DYNAMO - historically important language used for system dynamics modelling.
* Ecolego - a simulation software tool for creating dynamic models and performing deterministic and probabilistic simulations.
* EcosimPro - continuous and discrete modelling and simulation software.
* Enterprise Architect - a tool for simulation of UML behavioral modeling, coupled with Win32 user interface interaction.
* Enterprise Dynamics - a simulation software platform developed by INCONTROL Simulation Solutions.
* ExtendSim - simulation software for discrete event, continuous, discrete rate and agent-based simulation.
* FEATool Multiphysics - finite element physics and PDE simulation toolbox for MATLAB.
* Flexsim - discrete event simulation software.
* Flood Modeller - hydraulic simulation software, used to model potential flooding risk for engineering purposes.
* GoldSim - simulation software for system dynamics and discrete event simulation, embedded in a Monte Carlo framework.
* HyperWorks - multi-discipline simulation software
* IDA ICE - equation-based (DAE) software for building performance simulation
* Isaac dynamics - dynamic process simulation software for conventional and renewable power plants.
* iThink - system dynamics and discrete event modeling software for business strategy, public policy, and education. Developed by isee systems.
* JMAG - simulation software for electric device design and development.
* Khimera - a chemical kinetics simulation software tool developed by Kintech Lab.
* Lanner WITNESS - a discrete event simulation platform for modelling processes and experimentation.
* Lanner L-SIM Server - Java-based simulation engine for simulating BPMN2.0 based process models.
* MADYMO – automotive and transport safety software developed by Netherlands Organization for Applied Scientific Research
* Maple - a general-purpose computer algebra system developed and sold commercially by Waterloo Maple Inc.
* MapleSim - a multi-domain modeling and simulation tool developed by Waterloo Maple Inc.
* MATLAB - a programming, modeling and simulation tool developed by MathWorks.
* Mathematica - a computational software program based on symbolic mathematics, developed by Wolfram Research.
* Micro Saint Sharp - a general purpose discrete event software tool using a graphical flowchart approach and on the C# language, developed by Alion Science and Technology.
* ModelCenter - a framework for integration of third-party modeling and simulation tools/scripts, workflow automation, and multidisciplinary design analysis and optimization from Phoenix Integration.
* NEi Nastran - software for engineering simulation of stress, dynamics, and heat transfer in structures.
* NI Multisim - an electronic schematic capture and simulation program.
* Plant Simulation - plant, line and process simulation and optimization software, developed by Siemens Digital Industries Software.
* PLECS - a tool for system-level simulations of electrical circuits. Developed by Plexim.
* Project Team Builder - a project management simulator used for training and education.
* ProLB - a computational fluid dynamics simulation software based on the Lattice Boltzmann method.
* PTV Vissim - a microscopic and mesoscopic traffic flow simulation software.
* PSF Lab - calculates the point spread function of an optical microscope under various imaging conditions based on a rigorous vectorial model.
* RoboLogix - robotics simulation software developed by Logic Design Inc.
* SDC Verifier - structural design and finite element analysis software with a calculation core for checking structures according to different standards, either predefined or self programmed, and final report generation with all checks.
* Ship Simulator - a vehicle simulation computer game by VSTEP which simulates maneuvering various ships in different environments.
* Sim4Life - 3D computer-aided-design-based electromagnetic (EM) simulation platform: Sim4Life, which includes all elements of the now discontinued SEMCAD platform developed by Schmid and Partner Engineering AG, combines classical technical computer-aided-design tools with multi-physics solvers, computational human phantoms, medical-image-based modeling, and physiological tissue models.
* Simcad Pro - Process simulation software with On-The-Fly model changes while the simulation is running. Lean analysis, VR, and physics. Developed by CreateASoft, Inc. Chicago USA
* Simcenter STAR-CCM+ - a computational fluid dynamics based simulation software developed by Siemens Digital Industries Software.
* SimEvents - a part of MathWorks which adds discrete event simulation to the MATLAB/Simulink environment.
* SimScale - a web-based simulation platform, with CFD, FEA, and thermodynamics capabilities.
* SIMUL8 - software for discrete event or process based simulation.
* Simulations Plus - modeling and simulation software for pharmaceutical research
* SimulationX - modeling and simulation software based on the Modelica language.
* Simulink - a tool for block diagrams, electrical mechanical systems and machines from MathWorks.
* SRM Engine Suite - engineering tool used for simulating fuels, combustion and exhaust gas emissions in IC engine applications.
* STELLA - system dynamics and discrete event modeling software for business strategy, public policy, and education. Developed by isee systems.
* TRNSYS - software for dynamic simulation of renewable energy systems, HVAC systems, building energy use and both passive and active solar systems.
* UNIGINE - real-time 3D visualization SDK for simulation and training. Supports C++ and C# programming languages.
* Unreal Engine - immersive virtual-reality training simulation software.
* Vensim - system dynamics and continuous simulation software for business and public policy applications.
* VisSim - system simulation and optional C-code generation of electrical, process, control, bio-medical, mechanical and UML State chart systems.
* Vortex (software) - a complete simulation platform featuring a realtime physics engine for rigid body dynamics, an image generator, desktop tools (Editor and Player) and more. Also available as Vortex Studio Essentials, a limited free version.
* Wolfram SystemModeler – modeling and simulation software based on the Modelica language.
* Visual Components - a 3D factory simulation software for manufacturing applications including layout planning, production simulation, off-line programming and PLC verification.
* VisualSim Architect – an electronic system-level software for modeling and simulation of electronic systems, embedded software and semiconductors.
* VSim - a multiphysics simulation software tool designed to run computationally intensive electromagnetic, electrostatic, and plasma simulations.
* zSpace – creates physical science applications