LuxCoreRender
Description: LuxCoreRender is an open source, physically based and unbiased rendering engine. It simulates the flow of light according to physical equations, allowing for realistic lighting, materials and camera effects. As an unbiased renderer, it does not take shortcuts in calculations.
Type: software
Pricing: Open Source
Sunflow Rendering System
Description: Sunflow is an open source photo-realistic rendering system for generating high-quality images using ray tracing. It is designed to efficiently render global illumination, caustics, motion blur and depth of field effects.
Type: software
Pricing: Free