Browse free open source C 3D Viewers and projects below. Use the toggles on the left to filter open source C 3D Viewers by OS, license, language, programming language, and project status.

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  • 1
    LPub3D

    LPub3D

    LDraw™ editor for LEGO® style digital building instructions.

    LPub3D is an Open Source WYSIWYG editing application for creating LEGO® style digital building instructions. LPub3D is developed and maintained by Trevor SANDY. 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. LEGO® is a trademark of the LEGO Group of companies which does not sponsor, authorize or endorse this application. LEGO® is a trademark of the LEGO Group of companies which does not sponsor, authorize or endorse this application. © 2015-2025 Trevor SANDY
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    Downloads: 27 This Week
    Last Update:
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  • 2
    A 3D viewer for molecular charge distributions. Implemented in OpenGL with GLUT. Includes a small OpenGL windowing library/widget set.
    Downloads: 1 This Week
    Last Update:
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  • 3

    IPSA - Inventor Physics Simulation API

    Easy to use physics simulation combining ODE with OpenInventor.

    Create phyiscal simulations easily through IPSA which combines the OpenInventor 3D API with the Open Dynamics Engine (ODE). Scenes are read from .iv files and simulated in the supplied viewer applications. Find it at: http://ipsa.sourceforge.net
    Downloads: 0 This Week
    Last Update:
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  • 4
    Quantum Toolkit
    Quantum Mechanical Toolkit And 3D Viewer for C++. Allows Data Visualisation via Images, Surfaces and Volume plots using OpenGL, as well as rapid development Quantum Mechanical Simulations. Uses the Blitz++, VTK Visualisation and Qt Libraries.
    Downloads: 0 This Week
    Last Update:
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