1)   UniView 1.65
UniView is a powerful image viewer, converter and manipulation tool. It support 50+ most popular image formats. It also intergates many functions, including encrypt images,batch convert and rename image files, animation controls and html album maker.
image, view, convert, encrypt, rename, animate, html, album, BMP, TGA,

 2)   2D/3D CAD Viewer: DXF DWG HPGL TIFF SVG 8.0
ABViewer - a quick CAD viewer, editor and converter, 3D viewer, raster and vector management software - more than 50 formats supported: DWG, DXF, SVG, CGM, SGM, PLT, STEP, IGES, 3DS... Export to PDF, BMP, JPG etc. Advanced print, many other features.
AutoCAD, DWG, DXF, HPGL, PLT, CGM, SVG, WMF, STEP, IGES,

 3)   Total CAD Converter 1.6
CAD Converter will help you to convert CAD files to tiff, PDF, jpeg, png, wmf, dxf. Source formats are dwg, dxf, plt, hgl, hg, hpg, plo, hp, hp1, hp2, hpgl, hpgl2, gl2, prn, spl, cgm, svg. CAD Converter also resizes files. All can be done in batch!
converter, dwg, PDF, dxf, plt, hgl, hg, hpg, plo, hp,