Compare the Top Free Simulation Software as of October 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.

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    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.
  • 2
    DWSIM

    DWSIM

    DWSIM

    DWSIM is a free and open source CAPE-OPEN compliant chemical process simulator that operates across multiple platforms, including Windows, Linux, macOS, Android, and iOS. It features an intuitive graphical user interface and offers capabilities previously exclusive to commercial simulators. DWSIM supports both steady-state and dynamic simulations, utilizing a parallel modular solver for efficient modeling. It includes advanced property packages. The simulator provides a comprehensive suite of unit operations, including mixers, splitters, separators, pumps, compressors, expanders, heaters, coolers, valves, pipe segments, shortcut columns, heat exchangers, various reactors, distillation and absorption columns, solids separators, cake filters, spreadsheets, Python scripts, and flowsheet unit operations. It also provides an Excel Add-In for performing thermodynamic calculations within spreadsheets and an automation API for creating, loading, modifying, running, and saving flowsheets.
    Starting Price: Free
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