Rendering, raytracing software
A list of rendering software…
Aqsis is a photorealistic 3D rendering solution, adhering to the RenderMan interface standard defined by Pixar Animation Studios. It’s free and open source.
Website: Aqsis Renderer
Blender is the free and open source 3D creation suite.
Not open source, but available for free after registration.
An open source, free renderer. LuxCoreRender is a physically based and unbiased rendering engine.
This is really a CAD program, rather than a renderer. It’s unique in that all the modelling is done using a scripting language, rather than interactively. This is really good for people who like programming. It’s a good program to us in making models for 3D printing. It’s free and open source.
AN open source, free renderer. Pixie is a photorealistic renderer that uses a RenderMan-like interface.
Website: Pixie (SourceForge)
The Persistence of Vision Raytracer is a high-quality tool for creating stunning three-dimensional graphics. POV-Ray has a unique approach in natively rendering a wide range of mathematical shapes and funcation. It’s free and open source.