Browse free open source Simulation software and projects 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
    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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    Downloads: 3,800 This Week
    Last Update:
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  • 2
    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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    Downloads: 1,275 This Week
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  • 3
    AirSim

    AirSim

    A simulator for drones, cars and more, built on Unreal Engine

    AirSim is an open-source, cross platform simulator for drones, cars and more vehicles, built on Unreal Engine with an experimental Unity release in the works. It supports software-in-the-loop simulation with popular flight controllers such as PX4 & ArduPilot and hardware-in-loop with PX4 for physically and visually realistic simulations. It is developed as an Unreal plugin that can simply be dropped into any Unreal environment. AirSim's development is oriented towards the goal of creating a platform for AI research to experiment with deep learning, computer vision and reinforcement learning algorithms for autonomous vehicles. For this purpose, AirSim also exposes APIs to retrieve data and control vehicles in a platform independent way. AirSim is fully enabled for multiple vehicles. This capability allows you to create multiple vehicles easily and use APIs to control them.
    Downloads: 51 This Week
    Last Update:
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  • 4
    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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    Downloads: 209 This Week
    Last Update:
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  • 5
    OpenRocket
    An Open Source model rocket simulator.
    Downloads: 82 This Week
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  • 6
    FlyByWire Simulations A32NX

    FlyByWire Simulations A32NX

    The A32NX & A380X Project are community driven open source projects

    A community-built and maintained project aiming to provide high-quality and detailed aircraft for Microsoft Flight Simulator. Our custom-built, open-source installer is where we keep our projects for you to easily install. Pick which branch you want to install, and the installer will automatically download it into the proper folder.
    Downloads: 14 This Week
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  • 7
    Project Apollo - NASSP
    Project Apollo - NASSP (also known as NASSP or NCPP) is an add-on for the Orbiter space flight simulator. Project Apollo simulates the Apollo missions to Earth orbit and the Moon and the planned post-Apollo missions that never flew.
    Downloads: 15 This Week
    Last Update:
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  • 8
    tXtFL is a strategy-based football simulator. Teams can be created from real stats on the web, built through custom designed plays, and then used to coach games or predict scores. Note that as of 2010, all new development is taking place at http://textflex.com/txtfl.
    Downloads: 23 This Week
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  • 9
    KDIS

    KDIS

    DIS(IEEE 1278.1) Fully Implemented in C++

    A complete open source implementation of DIS (Distributed Interactive Simulation) in C++. 1278.1 and 1278.1a are fully implemented including enumerations. Includes several utility classes to help with developing your DIS app. DIS 7 work is ongoing.
    Downloads: 8 This Week
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  • 10
    GLUI is a GLUT-based C++ user interface library which provides controls such as buttons, checkboxes, radio buttons, and spinners to OpenGL applications. It is window-system independent, using GLUT or FreeGLUT.
    Downloads: 5 This Week
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  • 11
    Free 3D Acropolis is a model 3D in hight resolution of the Acropolis of Athens shortly after its construction.
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    Downloads: 21 This Week
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  • 12
    SKYSCRAPERSIM (2018 project ABANDONED)
    We do not know the reasons of being abandoned by Ryan in 2018. Fortunately, we have a record which can be traced back to 2017 after figuring out how to obtain in bazaar way COMPLETELY, I translate the revision to git , we might have a chance to ignite again. IF successful, we can do whatever we like. I DO NOT FULLY TRUST AN ENTITY EVEN THAT ENTITY IS OK. SO PLEASE FORK THIS ONE AS SOON AS POSSIBLE ONCE YOU SEE , THE MORE FORKING THE BETTER. IF This helps you, You might consider to help us to get one domain, also try running longer. It is said the consideration might be eye dropping twenty hundred bucks , If you like to, you may contact me for further detail.
    Downloads: 20 This Week
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  • 13
    Multibody dynamics simulation package with frictional contact and collision detection
    Downloads: 11 This Week
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  • 14

    Cambridge Rocketry Simulator

    Simulate high power rocket flights with splash down plots

    This software allows you perform six degree of freedom simulations of High Power Rocket (HPR) and model rocket flights. Parachute descent is also simulated. 3D flight trajectories are produced as well as detailed tabular flight data. Running in Monte Carlo mode allows generates multiple possible flight paths and splash down plots, indicating the probability of landing in an area. Peer-reviewed publication in the Journal of Open Research Software (JORS) http://doi.org/10.5334/jors.137 "Cambridge Rocketry Simulator – A Stochastic Six-Degrees-of-Freedom Rocket Flight Simulator"
    Downloads: 4 This Week
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  • 15
    open-source flight simulator, for RC-models and real aircraft, with a special orientation towards gliders. OpenSceneGraph based full 3D renderer.
    Downloads: 4 This Week
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  • 16
    Dioscuri is an x86 computer hardware emulator written in Java. It is designed by the digital preservation community to make sure that documents and programs from the past can still be accessed in the future. Dioscuri is durable and component-based.
    Downloads: 2 This Week
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  • 17
    CTruck3D _Open

    CTruck3D _Open

    realistic truck & car simulator, with OpenGL graphics

    update: https://sourceforge.net/projects/newctruck3drally/ It's a 3D, physically realistic truck/car simulator, oriented to dirt tracks. This is subsancially kept as hystorical. The environment is a hilly terrain which can also be user-defined in the form of a Bitmap image file (where intensity of red component defines height). It's similar to the classic "Terep 2". Particular care for internal cam. Written in standard C. There's a Windows executable ready for use, but it's compilable and playable on all Linux, BSD, MacOSX systems. Official VIDEO presentation: http://www.youtube.com/watch?v=B74QvPGyBYM The physical simulation was written from 0 of course, so no external 'third-party' libraries are used; except GLUT+OpenGL for the graphical visualisation & good interactivity.
    Downloads: 1 This Week
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  • 18
    The implementation of Conway's Game of Life written in Qt.
    Downloads: 2 This Week
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  • 19
    DLCSim

    DLCSim

    Controller-Pilot Data Link Simulator for procedural and radar training

    DLCSim is now capable of procedural and radar control, with option of connecting to FSX or Prepar3D flight simulator for real time aircraft tracking.
    Downloads: 2 This Week
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  • 20
    JSBSim Commander is a GUI front-end for the development of aircraft flight models for the JSBSim flight dynamics model (used by FlightGear, etc.).
    Downloads: 2 This Week
    Last Update:
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  • 21
    QASE is a Java-based API designed to provide all the functionality needed to create game agents in Quake 2. Powerful enough to facilitate high-end research, it is also suitable for undergrad courses geared towards classic AI and agent-based systems.
    Downloads: 2 This Week
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  • 22
    SuSim
    SuSim stands for Sukhoi Simulator. It is a multipatform flight simulator developed to implement the most simplistic but realistic flight dynamic simulations possible, targeted in the first place to mimic the behaviour of the Su-27 Flanker.
    Downloads: 2 This Week
    Last Update:
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  • 23
    XCTruck3D _Truck

    XCTruck3D _Truck

    realistic truck simulator with 3D graphics done from zero

    A truck/car simulator,with realistic physics and oldstyle graphics: it displays pixels through the SDL graphics routines, or the X11 if using that version (has some issues:so use the SDL ver).While the 3D graphics is done by the program itself without external libraries.The environment is a hilly terrain:total freedom to drive around.A remake of the classic "Terep 2". Written in the C programming language: although the code is 30 pages long, it's simple. Trailer can be detouched pressming 'l' (minuscle ELL) so to drive a normal car. There's an OpenGL version too: see the CTruck3D _Open,and an ASCII-Art ver (Term_ CTruck3D). This is also a good dydactical software: code is easy to undersand,and drawing procedures and physics sim procedure are written from 0 so it's clearly understandable how a complete 3D game is done in C, starting from a blank page of any plain text editor.Only basic knowledge of C was used. VID: http://youtu.be/n_O-9EFW5zk Lagrande_Rally_3D is an evolution of this
    Downloads: 1 This Week
    Last Update:
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  • 24

    wwiig

    turn-based wargame/simulator

    High-realistic war similator tuned for WWII epoch and around. Over 9000 historical weapons, full world gridded geodata, including climate and population {project abandoned in 2020 due to persistent stack smashing bug)
    Downloads: 1 This Week
    Last Update:
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  • 25
    Randomly generates scientifically-plausible solar systems, simulates plate tectonics, calculates climate, randomly generates towns, city blocks, NPCs, treasure hoards, dungeons, and other RPG-related things.
    Downloads: 2 This Week
    Last Update:
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