TL:DR; A simple, easy to use program to merge two pictures into a third one, with a degree of transparency chosen by the user.
A simple, easy to use program to merge two pictures into a third one, with a degree of transparency chosen by the user. Many file formats supported.
MITCalc is a multi-language calculation package includes solutions for gearing, belt, springs, beam, shaft, tolerances and many others. MITCalc support 2D and 3D CAD systems, Imperial and Metric units and many international standards ANSI, ISO, EN...
DWG to PDF Converter Pro is a batch converter that allows you to convert DWG to PDF, and DXF to PDF without the need of AutoCAD. The Pro version supports command line.
DWG to JPG Converter is a batch converter that allows you to convert DWG and DXF files to TIF (TIFF), JPG (JPEG), BMP, GIF, PNG, TGA, PCX, WMF and EMF without the need of AutoCAD.