Sunflow Rendering System is described as 'Sunflow is an open source rendering system for photo-realistic image synthesis. It is written in Java and built around a flexible ray tracing core and an extensible object-oriented design'. There are more than 25 alternatives to Sunflow Rendering System for a variety of platforms, including Windows, Mac, Linux, Autodesk 3ds Max and Sketchup. The best alternative is Adobe Dimension. It's not free, so if you're looking for a free alternative, you could try Cycles Renderer or LuxCoreRender. Other great apps like Sunflow Rendering System are POV-Ray (Free, Open Source), Keyshot (Paid), V-Ray (Paid) and appleseed (Free, Open Source).
PhotoView 360 is the new visualization and rendering solution from Solidworks. Its a highly interactive environment for viewing your designs as well as for creating photorealistic renderings that you can use to showcase your designs.
As an interactive, photorealistic renderer, Shaderlight redefines traditional rendering workflows. Simple to learn and easy to use, it features ‘progressive’ rendering that lets you see your image develop as you work so you can visualize your ideas in no time.
OctaneBench® allows you to benchmark your GPU using OctaneRender. This provides a level playing field by making sure that everybody uses the same version and the same scenes and settings. Without these constraints, benchmark results can vary a lot.