Showing 72 open source projects for "free"

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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. ...
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    Downloads: 4,015 This Week
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  • 2
    A free OpenGL utility toolkit, the open-sourced alternative to the GLUT library.
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    Downloads: 1,186 This Week
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  • 3
    GLScene

    GLScene

    GLScene Engine for Delphi & C++Builder VCL Windows 32/64

    GLScene is an OpenGL based 3D library for Delphi, C++Builder and Lazarus. It provides visual components and objects allowing description and rendering 3D scenes in graphic applications. Update of newer versions of the trunk has been moved to https://github.com/glscene
    Downloads: 39 This Week
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  • 4
    GLOBE_3D

    GLOBE_3D

    A real-time 3D Engine written in Ada

    GLOBE_3D: GL Object Based Engine for 3D. GLOBE_3D is a free, open-source, real-time 3D Engine written in Ada, based on OpenGL. Up-to-date GL bindings - portal rendering - binary space partition - object I/O - tools for importing - and more... More information on... http://globe3d.sf.net Alire crate: https://alire.ada.dev/crates/globe_3d Mirror: https://github.com/zertovitch/globe-3d/
    Downloads: 7 This Week
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  • 5
    Ayam
    Ayam is a free 3D modelling environment for the RenderMan interface.
    Downloads: 11 This Week
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  • 6
    Planeshift: a 3D MMORPG
    PlaneShift is a persistent fantasy multiplayer Role Playing Game (MMORPG) with good 3D graphics. Create your character and live in an ever-changing world. Join us to make PlaneShift THE choice of free MMORPG.
    Downloads: 3 This Week
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  • 7
    SaVi satellite constellation visualizer

    SaVi satellite constellation visualizer

    Earth orbits and satellite coverage display in 3D on your laptop.

    SaVi - simulate Starlink, Iridium, Globalstar, O3b, GPS, Galileo and other satellite constellations, modify them, or design your own. Requires Tcl/Tk and Unix libraries; 3D viewing option requires Geomview running on X Window.
    Downloads: 2 This Week
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  • 8
    LPub3D

    LPub3D

    LDraw™ editor for LEGO® style digital building instructions.

    ...It uses the LDraw™ parts library, the most comprehensive library of digital Open Source LEGO® bricks available (www.ldraw.org/ ) and reads the LDraw LDR and MPD model file formats. LPub3D is available for free under the GNU Public License v3 and runs on Windows, Linux and macOS Operating Systems. LPub3D is also available as a Linux 'no-install', multi-platform AppImage. Portions of LPub3D are based on LPUB© 2007-2009 Kevin Clague, LeoCAD© 2025 Leonardo Zide, LDView© 2025 Travis Cobbs & Peter Bartfai and additional third party components. ...
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    Downloads: 13 This Week
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  • 9
    The GEM 3D engine is a portable, free, open source, easy to use, software development kit which allows you to build high performance 3D graphics applications such as games.
    Downloads: 0 This Week
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  • 10
    simple3d

    simple3d

    realistic driving simulation + functions for 2D/3D graphics

    Sour*eforge.net has become inaccesible to me because of Cl*udflare. The latest versions of the programs will be on my site: https://matei.one/. Simcar - driving (not racing) simulation, with stunts and realistic physics since version 5.0.0. GNU/Linux and Wind0w$ executables are available. SDL_grf - functions for 2D/3D graphics (including text), sound and input + a few programs for viewing 3D models, viewing ZX Spectrum *.scr files, simulating the Solar System etc. Simple3d - old program for...
    Downloads: 0 This Week
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  • 11
    gloost is a free software, platform independent framework for OpenGL programming. It includes handy wrappers for most OpenGL entities. gloost can be used freely under the terms of the GPL. It is also possible to get gloost licensed under the terms of the LGPL for selected projects. Please contact Felix Weißig ( thesleeper@gmx.net ) if you are interested to licence gloost under the LGPL.
    Downloads: 0 This Week
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  • 12
    Magnum

    Magnum

    Lightweight and modular C++11 graphics middleware for data and games

    Look­ing for an open-source lib­rary that gives you graph­ics ab­strac­tion and plat­form in­de­pend­ence on ma­jor desktop, mo­bile and web plat­forms? Do you want it to have all the con­veni­ence util­it­ies around yet stay small, power­ful and not give up on flex­ib­il­ity? Here it is. And it’s free to use, even for com­mer­cial pur­poses. Among Mag­num es­sen­tials is a UTF-8-aware OS, filesys­tem and con­sole ab­strac­tion, a ver­sat­ile vec­tor math lib­rary and a slim C++11 wrap­per of Vulkan and OpenGL API fam­il­ies. Build on top of that or opt-in for more. Shaders and prim­it­ives for fast pro­to­typ­ing, al­gorithms, de­bug­ging and auto­mat­ic test­ing, as­set man­age­ment, in­teg­ra­tion with pop­u­lar win­dow­ing toolkits and a UI lib­rary. ...
    Downloads: 1 This Week
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  • 13
    AwesomeBump

    AwesomeBump

    Open Source graphic tool and alternative to Insane Bump

    AwesomeBump is a free and open source graphic app written using Qt library. It was made as an alternative to known gimp plugin Insane Bump or the commercial tool Crazy Bump. It is designed to generate normal, height, specular or ambient occlusion, metallic, roughness and other textures from a single image. Most of the image processing is done on GPU so the program runs very fast and all the parameters can be changed in real time.
    Downloads: 26 This Week
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  • 14
    Radiance

    Radiance

    Highly accurate ray-tracing software system for UNIX computers

    Radiance is a free, highly accurate ray-tracing software system for UNIX computers. It is a suite of programs designed for the analysis and visualization of lighting in design. Radiance is superior to simpler lighting calculation and rendering tools in that there are no limitations on the geometry or the materials that may be simulated. Scene geometry, materials, luminaires, time, date and sky conditions (for daylight calculations) are specified; spectral radiance (ie. luminance + color), irradiance (illuminance + color) and glare indices are calculated. ...
    Downloads: 46 This Week
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  • 15
    GPU,  a Global Processing Unit

    GPU, a Global Processing Unit

    A framework for distributed computing

    An extensible framework for distributed computing on P2P grids. We support peaceful free and open research and build an internet supercomputer. We render movies, solve Eternity puzzles, predict climate and improve a ~30 GHz cluster of clients.
    Downloads: 0 This Week
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  • 16

    QuesoGLC

    free implementation of the OpenGL Character Renderer

    QuesoGLC is a free implementation of the OpenGL Character Renderer. QuesoGLC is based on the FreeType library, provides Unicode support, and is designed to be easily ported to any platform that supports both FreeType and the OpenGL API.
    Downloads: 9 This Week
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  • 17

    delta3d Open Source Engine

    Sorry this project is no longer being supported

    This project is not currently being supported but feel free to use it as an example. delta3d is a robust simulation platform built using open standards and open source software. It features full toolchain development supporting a wide variety of free and commercial software.
    Downloads: 5 This Week
    Last Update:
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  • 18

    SFML Voxel Raycaster

    Simple voxel raycasting engine in SFML with multithreading support

    Voxel raycasting engine written in C++ drawed by SFML, curently in alpha preview state. Currently rays are computed by CPU and performance is low and far away from realtime.
    Downloads: 0 This Week
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  • 19
    Easy development of stereoscopic OpenGL applications. Supports anaglyph, side by side, horizontal split and quad buffer stereo and setup of the projection matrices for the frustums of left and right eye that are necessary for stereoscopic rendering. Version 2 added support for a freely located observer.
    Downloads: 0 This Week
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  • 20
    An Ogre camera control system plugin. Easily expandable and plugable to current Ogre projects. It implements some basic camera modes: free, orbital, chase, through target... Still in early stage.
    Downloads: 0 This Week
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  • 21
    Y.A.P.R.M. is a free-as-in-freedom modeller to graphicaly design 3d scenes and generate POV-Ray-files for them. Appart from the basic POV-Ray objects which can be used in CSG operations it supports spline based objects. Furthermore a vast amount of 3d-files can be imported and used with Y.A.P.R.M.
    Downloads: 1 This Week
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  • 22
    FDiamondEngine

    FDiamondEngine

    3D game engine for C and C++

    Create C/C++ 3D games easily! Game engine including higher-level functions and highest-level that are little less than working games! Include an audio system, an thread system, events, entities, physics, etc. This engine is written in C and C++. But can be used from both languages. It is powered by glib, Irrlicht engine, OpenAL, ODE, Ogg vorbis, etc
    Downloads: 0 This Week
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  • 23
    Free and portable software for visualization and post-processing of results from Quantum Chemistry calculations. Oriented, but not limited, to satisfy the visualization needs from Lowdin [http://www.cucei.udg.mx/~robertof] and deMon2k.
    Downloads: 0 This Week
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  • 24
    Pear3DEngine

    Pear3DEngine

    Pear3DEngine is a modern and modular 3D development framework

    Pear3DEngine is a modern and modular 3D development framework that lets you create professional games, simulations and more. You are free to develop your program in C + +, XML or LUA and publish it as open source software or selling it as a commercial program. The rendering engine uses internally OpenGL or DirectX optionally. The planned editor supports software development on Linux, Windows and maybe MacOS X. DirectX 9 and therefore Windows XP are currently not supported and support is not planned in the future. ...
    Downloads: 0 This Week
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  • 25

    VolTK

    A Lightweighted Toolkit For Volume Rendering

    A Lightweighted Toolkit For Volume Rendering Project Started by Fei Yang Provide both CPU based and GPU (CUDA) based volume rendering. See http://www.fei-yang.org/?page_id=12 for complete descriptions and package downloads VolTK is a free C++ Toolkit that implements a tri-layer volume rendering framework, which is designed to meet the requirements of both algorithm research and application assemblage. Features * Tri-layer volume rendering * CPU implementation: multi-threading supported * GPU implementation: CUDA based implementation * CPU-GPU correspondance * Both low level interfaces and high level interfaces are provided * Replace the components easily with your own design * Various rendering modes: MIP/Isosurface/Full volume rendering * Endoscopy interaction mode implemented * Pre-integration supported * Cross platform (windows and RHEL tested)
    Downloads: 0 This Week
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