You can download and evaluate Pointools 4 Rhino for free. All the features in the licensed version are available in the evaluation version however the demo will start to degrade the point cloud display after the first 5mins
You can also download a fully working trial of Rhino 4.0. The only limitation is a maximum of 25 saves. To download Rhino 4.0 please visit www.rhino3d.com
Pointools 4 Rhino imports the Pointools POD point cloud data format. To create a POD file from a wide range of point cloud formats please download Edit, View Pro or POD Creator.