SketchUp - 3D for Everyone
Kasemake - Kasemake is a packaging design software that is developed with industry-standard tools and Processing.
Arena - Chess GUI Arena
SolidWorks Composer - Easily repurpose existing 3D models to rapidly create and update high-quality graphical assets that are fully associated with your 3D design.
PTC Creo Sketch - Creo Sketch is an easy to use 2D CAD application for capturing and creating new 2D freehand concepts which is available on PCs, Macs, and iPads.
Impact CAD - Impact CAD is a packaging design CAD software that streamlines the product development process by enabling users to easily create realistic 3D product renderings and animations.