Simulation Software for Windows

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Browse free open source Simulation software and projects for Windows below. Use the toggles on the left to filter open source Simulation software by OS, license, language, programming language, and project status.

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  • 1
    Sweet Home 3D

    Sweet Home 3D

    An interior design application to draw house plans & arrange furniture

    Download the full version at: https://www.sweethome3d.com/download.jsp?adid=sourceforge Sweet Home 3D is an interior design application that helps you to quickly draw the floor plan of your house, arrange furniture on it, and visit the results in 3D.
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    4.7 out of 5 stars 301 Reviews
    Downloads: 40,468 This Week
    Last Update:
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  • 2
    gretl

    gretl

    A cross-platform statistical package for econometric analysis

    gretl is a cross-platform software package for econometric analysis, written in the C programming language.
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    4.6 out of 5 stars 37 Reviews
    Downloads: 32,981 This Week
    Last Update:
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  • 3
    Logisim
    An educational tool for designing and simulating digital logic circuits, featuring a simple-to-learn interface, hierarchical circuits, wire bundles, and a large component library. As a Java application, it can run on many platforms.
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    4.8 out of 5 stars 73 Reviews
    Downloads: 11,504 This Week
    Last Update:
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  • 4
    OpenFOAM

    OpenFOAM

    The Open Source CFD Toolbox

    OpenFOAM - The Open Source CFD Toolbox. OpenFOAM is a generic, programmable software tool for Computational Fluid Dynamics (CFD). For more information, see: - Main Website: https://openfoam.org - C++ Source Documentation: https://cpp.openfoam.org - Issue (Bug) Tracking: https://bugs.openfoam.org - User Guide: https://cfd.direct/openfoam/user-guide
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    4.3 out of 5 stars 3 Reviews
    Downloads: 11,364 This Week
    Last Update:
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    Patching and Endpoint Management for Under $1/Endpoint

    OS and third-party patching, vulnerability insights, and remote control included

    Splashtop AEM gives IT teams automated patching, monitoring, and unattended remote access for Windows and macOS. No long setup, no paying extra for key features.
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  • 5
    GNS3

    GNS3

    An advanced network simulator to design and configure virtual networks

    Build, Design and Test your network in a risk-free virtual environment and access the largest networking community to help. Whether you are studying for your first networking exam or building out a state-wide telecommunications network, GNS3 offers an easy way to design and build networks of any size without the need for hardware.
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    4.8 out of 5 stars 60 Reviews
    Downloads: 3,721 This Week
    Last Update:
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  • 6
    Simulation of Urban MObility

    Simulation of Urban MObility

    SUMO is a microscopic, multi-modal traffic simulation.

    SUMO is an open source, highly portable, microscopic and continuous traffic simulation package designed to handle large networks. It allows for intermodal simulation including pedestrians and comes with a large set of tools for scenario creation. The code and the issue tracker can be found at https://github.com/eclipse-sumo/sumo/ The documentation can be found at https://sumo.dlr.de/docs/
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    4.9 out of 5 stars 12 Reviews
    Downloads: 3,449 This Week
    Last Update:
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  • 7
    CoolProp
    A cross-platform, open-source, alternative to NIST REFPROP. Based on reference-accuracy equations of state and transport property correlations for refrigerants like Water, CO2, R134a, Nitrogen, Argon, Ammonia, Air, R404a, R410a, Propane and many others. A selection of secondary working fluid properties are also available. Can also make use of REFPROP when available. In addition, calculations for Humid Air Properties based on ASHRAE RP-1485 are provided. Wrappers are available for MATLAB, Octave, Python, C#, Fortran and many more.
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    5.0 out of 5 stars 5 Reviews
    Downloads: 4,120 This Week
    Last Update:
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  • 8
    FlightGear - Flight Simulator

    FlightGear - Flight Simulator

    FlightGear Flight Simulator: free open-source multiplatform flight sim

    Founded in 1997, FlightGear is developed by a worldwide group of volunteers, brought together by a shared ambition to create the most realistic flight simulator possible that is free to use, modify and distribute. FlightGear is used all over the world by desktop flight simulator enthusiasts, for research in universities and for interactive exhibits in museums. FlightGear features more than 400 aircraft, a worldwide scenery database, a multi-player environment, detailed sky modelling, a flexible and open aircraft modelling system, varied networking options, multiple display support, a powerful scripting language and an open architecture. Best of all, being open-source, the simulator is owned by the community and everyone is encouraged to contribute.
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    4.0 out of 5 stars 62 Reviews
    Downloads: 3,361 This Week
    Last Update:
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  • 9
    XFLR5

    XFLR5

    XFLR5 is an analysis tool for airfoils, wings and planes

    xflr5 is a potential flow solver with built-in pre- and post- processing functionalities.
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    4.9 out of 5 stars 45 Reviews
    Downloads: 2,365 This Week
    Last Update:
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  • 10
    GMAT

    GMAT

    General Mission Analysis Tool

    The General Mission Analysis Tool (GMAT) is an open-source tool for space mission design and navigation. GMAT is developed by a team of NASA, private industry, and public and private contributors. The GMAT development team is pleased to announce the release of GMAT version R2026a. For a complete list of new features, compatibility changes, and bug fixes, see the R2026a Release Notes in the Users Guide.
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    4.4 out of 5 stars 16 Reviews
    Downloads: 1,324 This Week
    Last Update:
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  • 11
    Virtual Controller

    Virtual Controller

    Program to control vJoy / vXbox Device via keyboard, mouse, joystick.

    Description Program to control Virtual Input Devices via physic Input Devices. Supported Virtual Input Devices: vJoy (Virtual Generic Joystick) vXbox (Virtual Xbox 360 Gamepad) vKeyboard (Simulated Keyboard) vMouse (Simulated Mouse) Supported Physic Input Devices: Keyboard Mouse Joystick System Requirements Operating system: Windows XP, Windows 7, Windows 8, Windows 10 Additional software: NET Framework 4 Notes: For Windows 7, for the virtual Xbox 360 Gamepad to work correctly, you need to install the following components: Microsoft Xbox 360 Accessories, Microsoft Security Advisory 3033929
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    3.9 out of 5 stars 10 Reviews
    Downloads: 879 This Week
    Last Update:
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  • 12
    Integrated Development Environment for some microcontrollers based on 8051(e.g. AT89S8253). Supported languages are Assembly and C. It has its own simulator, assembler, editor and many other tools. See the project web site for more details and the newest updates.
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    4.6 out of 5 stars 9 Reviews
    Downloads: 730 This Week
    Last Update:
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  • 13
    OpenDSS

    OpenDSS

    EPRI Distribution System Simulator

    The OpenDSS is an electric power Distribution System Simulator (DSS) for supporting distributed resource integration and grid modernization efforts. See Discussion Forum for latest news.
    Leader badge
    5.0 out of 5 stars 13 Reviews
    Downloads: 529 This Week
    Last Update:
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  • 14
    CEDAR LS is an interactive digital logic simulator to be used for teaching of logic design or testing simple digital designs. It features both low-level logic gates as well as high-level components, including registers and a Z80 microprocessor emulat
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    4.8 out of 5 stars 9 Reviews
    Downloads: 458 This Week
    Last Update:
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  • 15
    mp3splt

    mp3splt

    utility to split mp3, ogg vorbis and FLAC files without decoding

    mp3splt is a free utility to split mp3, ogg vorbis and FLAC files without decoding, selecting begin/end time; if file is an album, you can get splitpoints automatically from internet or a local cue, cddb file. It also splits Mp3Wrap and AlbumWrap archives. Supports splitting and trimming by silence detection. For mp3 files, both ID3v1 and ID3v2 are supported using original tags or user defined tags.
    Leader badge
    4.7 out of 5 stars 27 Reviews
    Downloads: 381 This Week
    Last Update:
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  • 16
    Logic Gate Simulator is an open-source tool for experimenting with and learning about logic gates. Features include drag-and-drop gate layout and wiring, and user created "integrated circuits".
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    4.2 out of 5 stars 13 Reviews
    Downloads: 444 This Week
    Last Update:
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  • 17
    Rigs of Rods

    Rigs of Rods

    A 3D simulator game where you can drive, fly, and sail

    Rigs of Rods is a 3D simulator game where you can drive, fly and sail various vehicles using an accurate and unique soft-body physics engine. Since 2014, the development continued at https://github.com/RigsOfRods/rigs-of-rods UPDATE: 10/30/2016: removed opencandy installers, replaced with zip files.
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    4.8 out of 5 stars 295 Reviews
    Downloads: 233 This Week
    Last Update:
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  • 18
    NetEmul is a program for simulating computer networks. It makes possible to build, configure networks and verify its availability. This program allows beginners to see a principles of operation CN and gives a scope for experiments.
    Leader badge
    5.0 out of 5 stars 5 Reviews
    Downloads: 307 This Week
    Last Update:
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  • 19
    GHDL

    GHDL

    VHDL 2008/93/87 simulator

    This directory contains the sources of GHDL, the open-source analyzer, compiler, simulator and (experimental) synthesizer for VHDL, a Hardware Description Language (HDL). GHDL is not an interpreter: it allows you to analyze and elaborate sources for generating machine code from your design. Native program execution is the only way for high-speed simulation. Full support for the 1987, 1993, 2002 versions of the IEEE 1076 VHDL standard, and partial for the 2008 and 2019 revisions. By using a code generator (LLVM, GCC or, x86_64/i386 only, a built-in one), it is much faster than any interpreted simulator. It can handle very large designs, such as leon3/grlib. GHDL runs on GNU/Linux, Windows and macOS; on x86, x86_64, armv6/armv7/aarch32, aarch64 and ppc64. You can freely download nightly assets, use OCI images (aka Docker/Podman containers), or try building it on your own machine.
    Downloads: 49 This Week
    Last Update:
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  • 20
    QBlade

    QBlade

    Wind Turbine Rotor Design and Simulation

    QBlade 2.0 released!!!! QBlade 2.0 released!!!! QBlade 2.0 released!!!! This project page is discontinued, you find our new webpage at: https://qblade.org/ This project page wont be updated in the future, however, everything in the "Files" section and the Forum Content will remain avaliable to everyone...
    Leader badge
    4.7 out of 5 stars 14 Reviews
    Downloads: 216 This Week
    Last Update:
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  • 21
    cfMesh

    cfMesh

    A library for polyhedral mesh generation

    cfMesh is an open-source library for volume mesh generation based on OpenFOAM. It implements various meshing workflows for volume mesh generation needed for CFD simulations with OpenFOAM. It is already a part of foam-extend, OpenFOAM for Windows, Caelus and OpenFOAM+ released by ESI. This repository is intended for contribution and collaborative development. If you have a new meshing algorithm or interested in contributing to cfMesh, do not hesitate to contact us. Please note that this code is not the same as CF-MESH+, which is a commercial product offered by Creative Fields Holding.
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    5.0 out of 5 stars 4 Reviews
    Downloads: 289 This Week
    Last Update:
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  • 22
    GNUSim8085 is a simulator and assembler for the Intel 8085 Microprocessor. For downloading latest release please head to the website - https://gnusim8085.github.io/ For source code - https://github.com/GNUSim8085/GNUSim8085
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    5.0 out of 5 stars 2 Reviews
    Downloads: 333 This Week
    Last Update:
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  • 23
    MathGL

    MathGL

    A library for scientific data visualization

    A free cross-platform library of fast C++ routines for the plotting of up to 3-ranged data. It can export to bitmap and vector EPS/SVG files. There are window interfaces (GLUT/FLTK/Qt) and console tools. MathGL can be used from C/Fortran/Python/Octav/Lua
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    5.0 out of 5 stars 14 Reviews
    Downloads: 143 This Week
    Last Update:
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  • 24
    OpenRocket
    An Open Source model rocket simulator.
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    4.9 out of 5 stars 12 Reviews
    Downloads: 137 This Week
    Last Update:
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  • 25
    DWSIM - Open Source Process Simulator

    DWSIM - Open Source Process Simulator

    Simulate chemical processes using advanced thermodynamic models

    DWSIM is an open source, CAPE-OPEN compliant chemical process simulator for Windows, Linux and macOS systems. Written in VB.NET and C#, DWSIM features a comprehensive set of unit operations, advanced thermodynamic models, support for reacting systems, petroleum characterization tools and a fully-featured graphical interface. DWSIM Pro is a commercial sibling of DWSIM built on top of open-source software. It offers extended features, comes with private support, and is accessible in the cloud. Visit simulate365.com for details.
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    Downloads: 742 This Week
    Last Update:
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