CadFaster|QuickStep is a free 3D STEP 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.
DipTrace is an advanced PCB design software application that consists of 4 modules: PCB Layout with high-class shape-based auto-router, Schematic Capture, Component and Pattern Editors that allow you to design your own component libraries.