Clara.io

Clara.io is a full-featured cloud-based 3D modeling, animation and rendering software tool that runs in your web browser. With Clara.

Freemium Web

Twilight Render

Twilight Render, one of the photorealistic 3D rendering systems for SketchUp,

Commercial Mac OS X Windows Sketchup

LightUp

LightUp allows placing light sources (including IES) inside your SketchUp model and navigating the lit results in realtime. You can add reflections, panoramas, skybox...

Commercial Mac OS X Windows Sketchup

SU Podium

make good almost photo realistic models. for a small price, if you want to make animations there is SU walk.

Commercial Mac OS X Windows Sketchup