Matrix TCL 

This is a C++ template class library to perform matrix calculations with ease and efficiency in your programs. It supports most of the matrix calculations that you may need to do in your C++ programs. Full source code is included with the package.
c++ matrix template class library inversion lu decompositions linear equations eigen value arithmetic

Acme CAD Converter 

Batch Convert DWG/DXF/DWF to PDF/BMP/JPEG/GIF/PLT/HP-GL/SVG/CGM/EPS, It can conveniently convert DXF,DWF and DWG files into BMP, GIF,JPEG, DXF, DWG, SVG, PDF, HPGL, CGM, EPS etc., and also enable the conversion between DXF and DWG file versions (R2.5-R2006).
cad dxf dwg convert raster svg hpgl bmp bitmap gif jpg tiff

ArtBorders 

ARTBorders allows you to make your photos look unique by adding beautiful artistic borders and frames to them. ARTBorders can download new frames and borders from our web site. There are over 200 new frames and borders available on the web site!
artistic borders frames frame border photo foto photos photograph clipart clip-art framing adorn

WebDwarf Free 

WebDwarf Free is Virtual Mechanics' easy to use drag-and-drop webpage editor. WebDwarf Free combines a word processor with spell checker, a graphics and image editor, special effects, built-in FTP to publish directly to your website and more.
wysiwyg html svg xml editor free web page design download svg editor html editor graphics drag-and-drop