AutoCAD: The most popular tool you can use
A Great free AutoCAD Drawing Viewer
A free and powerful 3D modeling software
A free, powerful 2D and 3D CAD tool
VideoCAD Starter
VideoCAD Starter - the easiest, low cost version of 3D CCTV Design Software - VideoCAD
Poser
Top class prfessional 3D figure design
SketchUp Make 2015
Powerful yet accessible 3D modeling software
Graphic Design Shop
An alternative to Photoshop for designers