Blue Moon Rendering Tools. BMRT was originally developed by Larry Gritz while he was at Cornell [2] .
He developed it during the early 1990s and first published it in 1994, and was subsequently hired by Pixar to work on their PhotoRealistic RenderMan product. The last version of the renderer under BMRT name was 2.6, released in November 2000. POV-Ray - The Persistence of Vision Raytracer. SketchUp.