Compare the Top Free Simulation Software as of December 2025

What is Free Simulation Software?

Simulation software is a type of software that utilizes mathematical algorithms to replicate real-life scenarios. This allows for the testing and analysis of various systems, processes, and strategies. Many industries, such as aviation and engineering, use simulation software to predict performance outcomes and identify potential issues before implementing them in the real world. These programs are designed to accurately mimic the behavior of complex systems and provide visual representations of data for easier interpretation. They can be used for educational purposes or as tools for decision-making in business settings. Compare and read user reviews of the best Free Simulation software currently available using the table below. This list is updated regularly.

  • 1
    SimScale

    SimScale

    SimScale

    SimScale is a cloud-based web application that plays a key part in simulation software for many kinds of industries. The platform allows the use of Computational Fluid Dynamics (CFD), Finite Element Analysis (FEA), and Thermal Simulation. It also offers 3D simulation, continuous modeling, and motion & dynamic modeling.
  • 2
    AnyLogic

    AnyLogic

    The AnyLogic Company

    AnyLogic is the standard in multimethod modeling technology, delivering increased efficiency and less risk when tackling complex business challenges. The unmatched flexibility found in AnyLogic allows users to capture the complexity of virtually any system, at any level of detail, and gain a deeper insight into the interdependent processes inside and around an organization. AnyLogic has a GSA Contract schedule #47QTCA18D007Q. Government agencies of the USA may purchase through GSA Advantage.
  • 3
    Vensim

    Vensim

    Ventana Systems

    Vensim® is the software of choice for thousands of analysts, consultants, and researchers worldwide for building high-quality simulation models in business, scientific, environmental, and social systems. Vensim integrates into one environment a powerful suite of tools for developing, testing, interpreting, and distributing models. These tools include cause-and-effect diagramming, graphical and textual model construction, easy reproduction of model structure using subscripts (arrays), Monte Carlo sensitivity analysis, optimization, data handling, and application interfaces. Further features enable advanced model resolution and fidelity. Vensim includes patented techniques to aid error detection, error prevention, and rapid comprehension of complex results.
    Starting Price: $50 per month
  • 4
    FEATool Multiphysics

    FEATool Multiphysics

    Precise Simulation

    FEATool Multiphysics - "Physics Simulation Made Easy" - a fully integrated physics, FEA, and CFD simulation toolbox. FEATool Multiphysics is a fully integrated simulation platform with a unified interface for several Finite Element Analysis (FEA) and Computational Fluid Dynamics (CFD) multi-physics solvers, such as OpenFOAM, SU2 Code, and FEniCS. This uniquely allows for modeling coupled physics phenomena such as found in fluid flow, heat transfer, structural, electromagnetics, acoustics, and chemical engineering applications, within a single user-friendly interface. With these capabilities, FEATool Multiphysics has become trusted tool by engineers and researchers worldwide to accelerate innovation and quickly achieve results in the energy, automotive, semi-conductor, and process industries.
  • 5
    Arena

    Arena

    Rockwell Automation

    Take the guesswork out of your decision making. Move confidently forward using Arena software. Simulation software is the creation of a digital twin using historical data and vetted against your system’s actual results. Arena™ Simulation Software uses the discrete event method for most simulation efforts, but you will see in using the tool that we cover areas in flow and agent-based modeling as well. Evaluate potential alternatives to determine the best approach to optimizing performance. Understand system performance based on key metrics such as costs, throughput, cycle times, equipment utilization and resource availability. Reduce risk through rigorous simulation and testing of process changes before committing significant capital or resource expenditures. Determine the impact of uncertainty and variability on system performance. Run "what-if" scenarios to evaluate proposed process changes.
  • 6
    ExtendSim

    ExtendSim

    Imagine That

    ExtendSim consists of a full range of tools for any type of simulation. No matter how you want to use ExtendSim, building models, running models, analysis, etc., there is a package that will fit your needs. There are ExtendSim products for building, experimenting with, and analyzing models, Model Developer Editions, and more specialized packages designed strictly for running models, analyzing models, or for use as a learning tool. Figure out which package might work best for you based on how you intend to use ExtendSim by visiting User Types. Create, use, and interactively run models, build custom interfaces and components, exchange data with and be controlled by other applications. Each Model Developer Edition (MDE) of ExtendSim has the same core set of capabilities. In them you can create and build models and interfaces, change values and settings, run simulations and animations, perform experiments, do analysis and optimization, save and export results.
  • 7
    Simile

    Simile

    Simulistics

    Simulistics develops and distributes Simile, modelling and simulation software for complex dynamic systems in the earth, environmental and life sciences. We use unique logic-based declarative modelling technology to represent the interactions in these systems in a clearly structured, visually intuitive way. Using Simile makes modelling a more productive task for scientific investigators. Models can be prepared more quickly, shared more easily and maintained more efficiently. Object-based representation, for handling disaggregation and individual-based modelling. Auto-generated C++ model code, for fast execution. Plug-and-play modules, supporting modular modelling, any part of a model can be extracted and used separately. Plug-in displays, allowing you to create graphics specific to your field. Declarative model representation, making it easy to manipulate the model in complex ways.
    Starting Price: $300.00/one-time/user
  • 8
    Simcad Pro

    Simcad Pro

    CreateASoft, Inc.

    Simcad Pro lets you visualize, analyze and optimize process flow systems in an interactive 2D/3D simulation modeling environment. Plan, optimize, and re-arrange processes and procedures while optimizing layouts, facility improvement, automation and scheduling. Simcad Pro integrates live and historical data to provide the most effective simulation tool on the market. Applications in multiple industries including manufacturing, automation, logistics, distribution warehouse, food and beverage, services, and more. Multi-Threaded - 64 bit Engine. On-the-fly simulation - Make real-time changes to the model while the simulation is running. Animate the model in 2D, 3D and VR with Ray Tracing, light effect, and shadows. Singular model building environment. Smart, Spatially Aware Agents, Sub-Flows, Collision Avoidance and Real-Time Connectivity. Spaghetti Diagrams, Congestion Analysis, Heat Maps, Efficiency and OEE. Extensive reporting and analysis tools. Scenario Analyzer.
    Starting Price: $4950.00/one-time/user
  • 9
    FlexSim

    FlexSim

    FlexSim Software Products, Inc.

    FlexSim is a problem solving tool that allows you to accurately answer any question about your business. It's powerful simulation software, built from the ground up to make simulation as easy as possible, without sacrificing an ounce of function or visual appeal. You can create beautiful, detailed models that deliver results yet make an impact in the way spreadsheets or charts never could, and you can do it all in just minutes with drag-and-drop controls and easy-to-use features.
  • 10
    WELSIM

    WELSIM

    WelSimulation LLC

    WELSIM finite element analysis software helps engineers and researchers conduct simulation studies and prototype virtual products.
    Starting Price: $45 per user per month
  • 11
    Simio

    Simio

    Simio

    Simio is a simulation, production planning and scheduling software designed from the ground up to support the object modeling paradigm. Simio aims to deliver rapid risk analysis and cost reduction capabilities to organizations of all sizes and industries. Simio is available in five editions to suit the unique needs of businesses: Personal, Design, Team, Enterprise, and Portal editions. Simio Academic Edition is also available to students and faculty.
  • 12
    PSCAD

    PSCAD

    Manitoba Hydro International

    As power systems evolve, the need for accurate, intuitive simulation tools becomes more and more important. With PSCAD you can build, simulate, and model your systems with ease, providing limitless possibilities in power system simulation. Included is a comprehensive library of system models ranging from simple passive elements and control functions to electric machines and other complex devices. PSCAD has benefited from over 40 years of continuous research and development. We are inspired by the ideas and feedback from our global user base. This philosophy has helped establish PSCAD as the most popular power system transient simulation package available today. Software maintenance is the most cost-effective way to protect, support, and maintain your investment. With it, you gain the greatest value from your software.
  • 13
    MechDesigner
    PSMotion Ltd is the developer of the world-leading machine design software - MechDesigner - the best software for cam, mechanism, and motion design of multi-axis machines. You can use MechDesigner to build, with confidence, the best possible packaging, assembly, and textile machines. You can also engage us at any stage of your machine design to quickly build your models, and, additionally, use all of our Motion-Design and Cam-Design expertise to give you the best possible machine performance within your design constraints. You can edit, update, and instantly observe changes, as the model continuously cycles, synchronized to a machine 'clock'. This working environment allows you to design a machine with optimal operating performance. You can collate important design parameters and their limits into one dialog, so you, or others, can review and edit your design at any time in the future.
  • 14
    Working Model 2D

    Working Model 2D

    Design Simulation Technologies

    Working Model is the best selling motion simulation product in the world. Confirm your design with powerful analytical tools. Fast “run-analyze-refine” cycle helps to optimize designs before building physical prototypes. Reduce physical prototyping. You are in total control of the simulation environment. Quickly build, run, and refine simulations with pre-defined objects and constraints. Run, stop, reset, single step, or pause the simulation at any time. Analyze your latest design by measuring force, torque, acceleration, etc. acting on any object. View output as vectors or in numbers and graphs in English or metric units. Import your 2D CAD drawings in DXF format. Input values from equations, sliders and DDE links to MATLAB and Excel. Create bodies and specify its mass properties, initial velocity, electrostatic charge, etc. Run or edit scripts to optimize simulations, document models, and more. Create visually appealing presentations by attaching pictures.
  • 15
    SimFlow

    SimFlow

    SIMFLOW Technologies

    SimFlow is a desktop Computational Fluid Dynamics (CFD) analysis software for Windows and Linux OS. It is based on OpenFOAM libraries, acting like an OpenFOAM GUI. It is a professional CAE package for engineers offering fully-featured 3D simulations. SimFlow is a powerful general-purpose CFD software. It combines an intuitive graphical user interface with the advantages of the open-source OpenFOAM® libraries. Download SimFlow and use it for free in an evaluation mode to solve the most complex problems you face as an engineer, scientist or student. Maybe you use CFD software on a daily basis or maybe just want to start your adventure. Install SimFlow, rediscover the CFD world without any time limit and enjoy powerful fluid simulation software.
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