Free 3D graphics software

YafaRay is a free, open source ray tracing program that uses an XML scene description language.

The Visualization Toolkit (VTK) is an open-source, freely available software system for 3D computer graphics, image processing and visualization.

Sweet Home 3D is a free interior design software application that helps you draw the plan of your house, arrange furniture on it and visit the results in 3D.

LuxRender is a free and open source software rendering system for physically correct image synthesis.

Glide is a 3D graphics API developed by 3dfx Interactive for their Voodoo Graphics 3D accelerator cards.

libGDX is a free and open-source game-development application framework written in the Java programming language with some C and C++ components for performance dependent code.

Blender is a professional free and open-source 3D computer graphics software product used for creating animated films, visual effects, art, 3D printed models, interactive 3D applications and video games.

Mesa is an open-source implementation of the OpenGL specification— a cross-language, cross-platform, vendor-neutral standard API for interfacing with vendor-specific graphics hardware primitives.

Panda3D is a game engine that includes graphics, audio, I/O, collision detection, and other abilities relevant to the creation of 3D games.

Blend4Web is an open source framework for creating and displaying interactive 3D computer graphics in web browsers.

Object-Oriented Graphics Rendering Engine (OGRE) is a scene-oriented, real-time, 3D rendering engine, as opposed to a game engine.

Irrlicht (pronounced [ˈʔɪɐ̯lɪçt] in German) is an open source game engine written in C++.

The Persistence of Vision Raytracer, or POV-Ray, is a ray tracing program which generates images from a text-based scene description, and is available for a variety of computer platforms.

GtkRadiant is a level design program developed by id Software and Loki Software.

QuArK (aka Quake Army Knife), is a free and open source program for developing 3D assets for a large variety of video games, mostly first-person shooters using engines similar to or based on the Quake engine by id Software.

jMonkeyEngine (jME) is a game engine made especially for modern 3D development, as it uses shader technology extensively.

K-3D is a free 3D modelling and animation software.

QuteMol is an open source, interactive, molecular visualization system.

O3D is an open source (BSD license) JavaScript API created by Google for creating interactive 3D graphics applications that run in a web browser window or in a XUL desktop application.

gnuplot is a command-line program that can generate two- and three-dimensional plots of functions, data, and data fits.

Wings 3D is a free and open source subdivision modeler inspired by Nendo and Mirai from Izware.

Visualization Library (VL) is an open source C++ middleware for 2D/3D graphics applications based on OpenGL 4, designed to develop portable applications for the Microsoft Windows, Linux and Mac OS X operating systems.

Voreen (volume rendering engine) is an easy to use and highly flexible open source volume visualization library and development platform.

jrMan renderer is an open source version of the Reyes rendering algorithm used by Pixar's PhotoRealistic RenderMan, implemented in Java by Gerardo Horvilleur, Jorge Vargas, Elmer Garduno and Alessandro Falappa.

ANGLE (Almost Native Graphics Layer Engine) is an open source, BSD-licensed graphics engine abstraction layer developed by Google.

Flare3D is a framework for developing interactive 3D graphics within Adobe Flash Player and Adobe AIR, written in ActionScript 3.

Godot is a 2D and 3D cross-platform open source MIT licensed game engine developed by Godot Engine community and used internally by several companies in Latin America before being open-sourced and released to the public.

3D Slicer (Slicer) is a free and open source software package for image analysis and scientific visualization.

PlayCanvas is an open source 3D game engine/interactive 3D application engine alongside a proprietary cloud-hosted creation platform that allows for simultaneous editing from multiple computers via a browser-based interface.

The Point Cloud Library (PCL) is an open-source library of algorithms for point cloud processing tasks and 3D geometry processing, such as occur in three-dimensional computer vision.

Away3D is an open source platform for developing interactive 3D graphics for video games and applications, in Adobe Flash or HTML5.

Breve (sometimes written with lowercase b) is a free, GPL software package that enables users to build 3D simulations of decentralized systems and artificial life.

Sketchfab is a website used to display and share 3D content online.

Python-Ogre is a Python binding for the OGRE 3D engine, designed to provide the functionality and performance of OGRE (written in C++) with the accessibility and ease of use of Python so as to facilitate the rapid development of 3D games and to make the OGRE engine more accessible to the beginner, who might otherwise be daunted by the technicalities of writing in the native C++.

Ginkgo CADx is a multiplatform (Windows, Linux, Mac OS X) DICOM viewer (*.dcm) and dicomizer (convert different files to DICOM).

Anim8or is a freeware OpenGL based 3D modeling and animation program by R.

GIMIAS is a workflow-oriented environment focused on biomedical image computing and simulation.

GPAC Project on Advanced Content (GPAC, a recursive acronym) is an implementation of the MPEG-4 Systems standard written in ANSI C.

Seamless3d is open source 3D modeling software free and available for all under the MIT license.

The WilmaScope 3D graph visualisation system is a Java 3D application that creates real-time 3D animations of dynamic graph (network) structures.

AutoQ3D Community is a cross-platform CAD software, suited for 3D modeling and texturing.

Papervision3D is an open source, 3D graphics engine for rendering 3D content within Adobe Flash Player and Adobe AIR.

OpenTK, also known as The Open Toolkit library, is a C# graphics library superseding the Tao Framework.

Soya3D is a high-level Python module for creating 3D video games.

Makehuman is an open source 3D computer graphics software middleware designed for the prototyping of photo realistic humanoids.

Freestyle is a free, open source renderer for non-photorealistic line drawing from 3D scenes.

StormEngineC is a 3D graphics library written in JavaScript and using several HTML5 features like WebGL, WebCL and WebSockets.

Three.js is a cross-browser JavaScript library/API used to create and display animated 3D computer graphics in a web browser.

Picogen is a rendering system for the creation and rendering of artificial terrain, based on ray tracing.

Zest3D is an open source framework for developing interactive 3D graphics within Adobe Flash Player and Adobe AIR, written in ActionScript 3.

OpenVRML is a free and open-source software project that makes it possible to view three-dimensional objects in the VRML and X3D formats in Internet-based applications.

Sunflow is an open source global illumination rendering system written in Java.

Pixie is a free (open source), photorealistic raytracing renderer for generating photorealistic images, developed by Okan Arikan in the Department of Computer Science at The University of Texas At Austin.

CloudCompare is a 3D point cloud processing software (such as those obtained with a laser scanner).

Aqsis is a free rendering suite compliant with the RenderMan standard.

MeshLab is an advanced 3D mesh processing software system that is oriented to the management and processing of unstructured large meshes and provides a set of tools for editing, cleaning, healing, inspecting, rendering, and converting these kinds of meshes.

OpenSCAD is a free software application for creating solid 3D CAD objects.

OpenFX is an open-source, free modeling and animation studio, distributed under the GNU General Public License, created by Dr.

CopperLicht is an open source JavaScript library/API for creating games and interactive 3D applications using WebGL, developed by Ambiera.

HyperFun (from Hyperdimensional Functions) is a programming language and software used to create, visualize, and fabricate volumetric 3D and higher-dimensional models.