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Ray tracing is a technique that can generate near ... This article lists notable ray-tracing software. Software License ... pre-gpl open source, gpl-like Yes ...
Blender – a free and open-source software program for 3D modeling, animation, and rendering; Kerkythea – a freeware ray-tracing program with enhanced Sketchup compatibility; Sunflow – an open-source rendering system for photo-realistic image synthesis, written in Java
It uses ray tracing to perform all lighting calculations, accelerated by the use of an octree data structure. It pioneered the concept of high-dynamic-range imaging , where light levels are (theoretically) open-ended values instead of a decimal proportion of a maximum (e.g. 0.0 to 1.0) or integer fraction of a maximum (0 to 255 / 255).
Tachyon is a parallel/multiprocessor ray tracing software. It is a parallel ray tracing library for use on distributed memory parallel computers, shared memory computers, and clusters of workstations. Tachyon implements rendering features such as ambient occlusion lighting, depth-of-field focal blur, shadows, reflections, and others.
OpenSceneGraph is an open-source 3D graphics application programming interface (library or framework), [2] used by application developers in fields such as visual simulation, computer games, virtual reality, scientific visualization and modeling.
POV-Ray, free and open-source ray tracing software; LuxCoreRender, free and open-source "unbiased" rendering system; References
FaceGen is a source of human face models for other programs. Users are able to generate face models either randomly or from input photographs. FreeCAD is a full-featured CAD/CAE open-source software. Python scripting and various plugin modules are supported, e.g. CAM, Robotics, Meshing and FEM.
3Delight is a 3D computer graphics software that runs on Microsoft Windows, macOS (both Intel and Apple Silicon) and Linux (both x86 and Graviton).Developed by Illumination Research, it is both a photorealistic and NPR path tracing offline renderer based on its NSI API scene description and on Open_Shading_Language for shading.