YafaRay is described as 'Free open-source montecarlo raytracing engine released under the LGPL 2.1 license. Raytracing is a rendering technique for generating realistic images by tracing the path of light through a 3D scene' and is an app in the photos & graphics category. There are more than 25 alternatives to YafaRay for a variety of platforms, including Windows, Mac, Linux, Autodesk 3ds Max and Sketchup apps. The best YafaRay alternative is LuxCoreRender, which is both free and Open Source. Other great apps like YafaRay are MoonRay, Adobe Dimension, POV-Ray and Cycles Renderer.