Wannathis - 3d illustrations and freebies
Morpholio Trace - Morpholio Trace is widely called to be the dream software of the designers and architect.
Shapefest - A massive library of 3D shapes for everything!
Qlone - 3D scan any object with your iPhone or iPad
Craftwork - A collection of User Interface resources made by Craftwork
Drawing Desk - Drawing Desk Draw Paint Color, Doodle and Sketch Pad created and published 4Axis Technologies for Android and iOS devices.