Get accurate face properties: Centroid, Area, Moment of Inertia and Radius of Gyration
This tool lets you use plugins/extensions without installing them (good for computer labs or keeping SketchUp lean).
A toolbar for placing basic shapes (primitives)
This code editor plugin offers an easy-to-use and visually appealing way to write and modify Ruby scripts directly within SketchUp.
Keep an eye on SketchUp news and tutorials from blogs, forums, and tweets right inside SketchUp
Upload your SketchUp models to the 3D (WebGL) viewing and sharing website Sketchfab
Unwraps shapes and lays arbitrarily oriented faces flat on the ground.