Discussions about other 3D computer graphics software (e.g. commercial).

Anim8or ("Animator") is a freeware OpenGL based 3D modeling and animation program.

Blender is a free, open source, 3D studio for animation, modelling, rendering, and texturing offering a feature set comparable to commercial 3D animation suites.

BRL-CAD is a constructive solid geometry CAD modelling system including an interactive geometry editor, ray tracing support for graphics rendering and geometric analysis.

Bryce is a 3D modelling, rendering and animation program specializing in fractal landscapes.

CollabCAD is a 3D CAD/CAM Software system for collaborative design & development of Industrial Designs.

DAZ Studio a free 3D rendering tool set for adjusting parameters of pre-existing models, posing and rendering them in full 3D scene environments.

FreeCAD is a free and open-source general-purpose parametric 3D CAD software and a building information modelling (BIM) software with finite-element-method (FEM) support.

Fujiyama is free and open source, distribution oriented ray-tracing renderer designed to handle production image rendering.

Hexagon (DAZ Productions) is a 3D subdivision modeller with an emphasis on organic modelling.

Kerkythea is a freeware rendering system that supports raytracing using physically accurate materials and lighting.

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

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

MeshLab is a free application for visualizing, simplifying, processing and converting large three-dimensional meshes to or from a variety of 3D file formats.

OpenFX is a modelling and animation studio which includes a full renderer and raytracing engine, NURBS support, kinematics-based animation, morphing, and an extensive plugin API.

Orion Renderer is a high performance physically based renderer with realtime preview.

ParaView is an open source multiple-platform application for 3D interactive, scientific visualization.

Pixie is a free (open source), photorealistic raytracing renderer for generating photorealistic images.

POV-Ray (or The Persistence of Vision Raytracer) is a freeware (with source) ray tracer which generates images from a text-based scene description.

Sculptris is a virtual sculpting software program, with a primary focus on the concept of modelling clay.

Seamless3d is a free NURBS based modelling and animation software with much of the focus on creating avatars optimized for real time animation.

Google Sketchup, is a 3D modelling computer program for a wide range of drawing applications such as architectural, interior design, landscape architecture, civil and mechanical engineering, film and video game design.

SolveSpace is a free and open source 2D and 3D CAD program. It is a constraint-based parametric modeler with simple mechanical simulation capabilities.

Sunflow is an open source, photo-realistic renderer written in Java.

Sweet Home 3D is a free interior design software application that allows for the planning and development of floor plans, as well as the ability to arrange furniture on it and view the results in 3D.

Terragen is a scenery generator program to create renderings and animations of landscapes.

Vue is a 3D scenery generator software package for the creation, animation, and rendering of natural 3D environments, in particular outdoor landscapes.

Wings 3D is a free and open-source subdivision modeler that can be used to model and texture low to mid-range polygon models.

YafaRay is a free, open source raytracer/renderer distributed under the LGPL that uses an XML scene description language.

ZModeler supports complex modeling functions such as extruding, or beveling.