LuxRender is a physically based and unbiased rendering engine. Based on state of the art algorithms, LuxRender simulates the flow of light according to physical equations, thus producing realistic images of photographic quality.
What's new in LuxRender
Fixes for latest OS X versions UI updates
Fix bloom filter used in an animation (the configuration of filters in the scene files was a new feature of v1.3)
Fix an issue with camera response
Improvement to the OpenCL version of the QBVH accelerator