Octane Render

Octane Render is a Nvidia GPU Accelerated Rendering Engine for 3D Graphics Applications such as Cinema 4D, Blender, Unity, Houdini, Autodesk Maya and more.

I like to use there software because of how great and fast it is. There really isn't any other GPU Rendering Engine Plugin for the 3D software I like to use like Octane Renderer there really awesome with what they make.