2d CAD Image 

CAD Image DLL Revolution in custom CAD development! Incredible speed and accuracy of DXF, DWG, HPGL, SVG, CGM files visualization. Ideal for inner industry programming with MS Visual Basic, MS Visual C++, Borland Delphi,C++Builder
dwg dxf hpgl svg cgm cad autocad viewer image vb vc++ delphi builder

AutoImager 

AutoImager is a full-featured, advanced batch image processing and conversion application. Over 140 image formats are supported, complete command-line functionality, and an entire arsenal of editing and processing operations present.
image graphics batch editor converter processor trim crop flip mirror resample resize rotate contrast

Blaze ImgConvert 

Advanced batch image conversion supporting over 140 formats and an entire arsenal of options and features. Comprehensive support for compression, sub-formats, color depths, naming templates, and resizing/rotating in the same operation are available.
convert conversion resize rotate image graphics colorspace color depth multi-page rename afp ani awd bmp