Best Sketchup Rendering
This is the best rendering software for Google SketchUp. VRay It is powerful, ubiquitous, and comes with a massive support community that will help new users get their feet wet without too steep a learning curve. VRay makes a plugin for SketchUp that integrates seamlessly, ensuring you never have to leave the program to set your scenes, apply materials, and tweak lighting conditions on the fly.
Best Sketchup Rendering
Free Rendering Software For Sketchup
Most of the 3d cg software comes with built-in renderer, but built-in renderer always not good choice for every project. There are dozens of different renderer available across the web, and artist needs to choose right renderer as per project requirements.