Showing 81 open source projects for "free"

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  • 1
    LVGL

    LVGL

    Powerful and easy-to-use embedded GUI library with many widgets

    Powerful and easy-to-use embedded GUI library with many widgets, advanced visual effects (opacity, antialiasing, animations), and low memory requirements (16K RAM, 64K Flash). LVGL provides everything you need to create an embedded GUI with easy-to-use graphical elements, beautiful visual effects, and a low memory footprint. LVGL is an open-source graphics library providing everything you need to create an embedded GUI with easy-to-use graphical elements, beautiful visual effects, and a low...
    Downloads: 20 This Week
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  • 2
    ImageMagick

    ImageMagick

    ImageMagick 7

    ImageMagick® is a free, open-source software suite, used for editing and manipulating digital images. It can be used to create, edit, compose, or convert bitmap images, and supports a wide range of file formats, including JPEG, PNG, GIF, TIFF, and PDF. ImageMagick is widely used in industries such as web development, graphic design, and video editing, as well as in scientific research, medical imaging, and astronomy.
    Downloads: 6 This Week
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  • 3
    vengi

    vengi

    Free and open source voxel art tools - editor, thumbnailer and format

    This is a collection of voxel tools. It includes a voxel editor with animation support and loading/saving into a lot of voxel volume formats. There are other tools e.g. a thumbnail for your file manager and a command line tool to convert or modify between several voxel formats. Use a voxel editor or to convert your voxel models into an obj or ply file. If you came here as a developer, make sure to check out the dependencies and set up your development environment. The build scripts are...
    Downloads: 3 This Week
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  • 4
    OpenGL Mathematics

    OpenGL Mathematics

    Highly Optimized Graphics Math (glm) for C

    Highly optimized 2D|3D math library, also known as OpenGL Mathematics (glm) for `C`. cglm provides lot of utils to help math operations to be fast and quick to write. It is community-friendly, feel free to bring any issues, bugs you faced. Almost all functions (inline versions) and parameters are documented inside the corresponding headers. OpenGL-related functions are dropped to make this lib platform/third-party independent. Make sure you have the latest version and feel free to report bugs, troubles. Euler angles was implemented in reverse order (extrinsic) it was fixed, now they are intrinsic. ...
    Downloads: 0 This Week
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  • 5

    The FreeType Project

    A free, high-quality, and portable font engine

    FreeType is written in C. It is designed to be small, efficient, and highly customizable while capable of producing high-quality output (glyph images) of most vector and bitmap font formats for digital typography. FreeType is a freely available and portable software library to render fonts.
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    Downloads: 94,921 This Week
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  • 6
    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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  • 7
    XTrkCAD Model RR Track Planner

    XTrkCAD Model RR Track Planner

    Model Railway CAD program

    XTrackCAD is a open-source, free, CAD program for designing model railroad layouts. You can easily create layout of any scale or size. Libraries for many brands, scales and gauges of track and turnouts/points and model structures are included. Adding new components is easy with the built-in editor. It runs on Windows, Mac and Linux,
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    Downloads: 355 This Week
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  • 8
    Tux Paint

    Tux Paint

    An award-winning drawing program for children of all ages

    Tux Paint is a free, award-winning drawing program originally created for children ages 3 to 12, but enjoyed by all! It combines an easy-to-use interface, fun sound effects, and an encouraging cartoon mascot who guides children as they use the program. You're presented with a blank canvas and a variety of drawing tools to help them be creative. Along with paintbrush, shapes and text, Tux Paint includes a "stamp" feature to add pre-drawn or photographic imagery to pictures, and a set of "magic tools" that provide filter effects (like blur, tint and waves) and interesting drawing tools (like train tracks, bubbles and grass). ...
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    Downloads: 12,136 This Week
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  • 9
    ImageMagick

    ImageMagick

    Display, convert, and edit raster image and vector image files

    ImageMagick® is a free and open-source software suite for displaying, converting, and editing raster image and vector image files. It can read and write over 200 image file formats, and can support a wide range of image manipulation operations, such as resizing, cropping, and color correction. ImageMagick is written in C and is available for a wide range of operating systems, including Linux, macOS, and Windows.
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    Downloads: 112 This Week
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  • 10
    Calimero

    Calimero

    Take full control of your Windows Desktop background!

    Calimero is a lightweight, high-performance, old-school Win32 console application designed to enhance your Windows desktop in the simplest and most unobtrusive way. Main core features of Calimero are managing and displaying local images as desktop wallpaper and fetching/downloading pictures from the Internet, from sites like Picsum, Pexels, Reddit, and Danbooru.
    Downloads: 3 This Week
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  • 11
    Ayam
    Ayam is a free 3D modelling environment for the RenderMan interface.
    Downloads: 11 This Week
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  • 12
    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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  • 13
    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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  • 14
    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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  • 15
    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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  • 16
    SixelViewer

    SixelViewer

    View Sixel images in Windows, and Sixel image repository

    ...Supports both RGB and HLS formatted Sixel images with up to the full 256 color specification. Supports up to and including Windows 11. Included are many new and old and free Sixel images. Sixel slide shows supported. If you have sixel images you would like to contribute e-mail me. Version 1.3.0 released 12/18/2023 added Slide Show capability to File-Open, minor bug fix for non-existent file on history list, added 64 bit version of SixelViewer
    Downloads: 0 This Week
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  • 17
    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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  • 18
    pnglib

    pnglib

    a free library to read and display PNG images.

    Here is a c_version of Thomas Bleeker's pnglib 1.0, a free graphy library. His site is https://www.madwizard.org/programming/projects/pnglib Thomas's original code is x86-asm. She(the code) can read and display PNG images in programs, and link without Zlib. With the author's permission, Leisure bamboo translate her to c. So she can be compile by turbo c 2.0, borland c 4.5, visual c 6.0, keil c51 7.5, or others.
    Downloads: 0 This Week
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  • 19

    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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  • 20
    SDL Framework
    SDL Framework (SDLFW) SDLFW is a cross-platform framework from the powerful SDL library to create your own 2D games with the Lua programming language. It's easy-to-use, free, open-source, and works on Windows and Linux.
    Downloads: 0 This Week
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  • 21
    FractalNow

    FractalNow

    Fast, advanced, multi-platform fractal generator

    ...The graphical tool, based on Qt library, allows users to explore fractals intuitively and generate pictures. Both tools are entirely multi-threaded and implement advanced algorithms and heuristics that make computation very fast compared to most existing free fractal generators.
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    Downloads: 20 This Week
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  • 22
    DreamStudio by Volocian Studios
    ...While we remain pragmatic about the use of proprietary software, as we’re aware of the feature limitations of some open source solutions, free solutions are preferred.
    Downloads: 8 This Week
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  • 23

    wpf-plot3d

    Tool to plot 3d-graphic from an XML, EXCEL or parametrization

    "wpf-plot3d" is a tool designed to plot 3-dimensional graphics. It can handle a wide range of graphic types: - Surface: Graphic defined on a Cartesian grid defined via an XML file - Mesh: Graphic defined on a general mesh defined via an XML file - Points: Set of points defined via an XML file - Curve: 3d-curve defined via an XML file - Parametric surface: Parametric surface defined on a cartesian grid - Parametric curve: 3d parametric curve "wpf-plot3d"...
    Downloads: 0 This Week
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  • 24
    Scilab Image Processing Toolbox

    Scilab Image Processing Toolbox

    Advanced image processing toolbox for Scilab on Unix/Linux/Mac OS

    SIP is the image processing and computer vision package for SciLab, a free Matlab-like programming environment. SIP reads/writes images in formats like JPEG, PNG, and BMP. It does filtering, segmentation, edge detection, morphology, and shape analysis. Download from Git http://siptoolbox.sourceforge.net/devel
    Downloads: 0 This Week
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  • 25

    E-Part

    Sheet music reader, for hands-free musical performing.

    E-Part can be used for every musician who wants to get free from the paper era, using some electronic paper device (E-Ink, Digital Paper, etc) or even a tablet as means of reading your parts while performing. The sheet music should be in PDF format, scanned or digitized.
    Downloads: 1 This Week
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