Cycles Renderer - Cycles is Blender’s ray-trace based production render engine and in development since 2011.
DWGFREE - DWGFREE is an online platform that comes with a comprehensive collection of CAD blocks that can be downloaded without the need for registration.
RenderMan - Advanced Technology from Pixar Animation Studios for Rendering VFX and Animation
CADMAPPER - Instant CAD files for any location on earth
LuxCoreRender - LuxCoreRender is a physically based and unbiased rendering engine.
MAPACAD - MAPACAD is an online website that is providing leverage to designers and architectures to have the ability to download CAD map cities that can be directly used in their projects.