1)   3D Shop ModelView 1.0
ModelView is an exact 3D model geometry viewer that allows the manipulation of CAD data. This open viewer provides wide access to 3D models in the most popular file formats (dxf, Step, VRML, IGES, CATIA, UG, Pro/E, ACIS, PARASOLID) and data standards (brep, stl, wrl, stp)

 2)   Aspose.Chart for .NET 3.3.7.0
Aspose.Chart is a .NET charting component which can create more than 20 chart types: Area, Bar, Line, Pie, Point, Bubble, Cube, Curve, Gantt, Pareto, etc. with stylish effects including 3D, Transparency, Gradient, Anti-aliasing and Background image.

 3)   Handwizard 2.1
Handwizard Is Your Hand Wizard Mode. Handwizard provides automated cursor moving and command entry by mouse steps. Handwizard gives the user: time and health savings due to work with the mouse, and new level of freedom in artistic self-expression.

 4)   CadFaster QuickStep 2008 R2
CadFaster|QuickStep is a free 3D file viewer with professional-class features. Supports standard file formats such as STEP, IGES, DWG. Users may choose between OpenGL and DirectX drivers. CadFaster|QuickStep is optimized for easy 3D model navigation.