Uimix 

Uimix is a window transparency manager that secures the viewing of sensitive information by allowing you to adjust the transparency of a selected window, mixing it with its background.
uimix window transparency manager tool utility secures sensitive information background for your eyes

Eroiica Edit 

Stand-alone or integrated with EDM/PDM via its rich API, Eroiica Edit facilitates fast and accurate image editing, cleanup, manipulation, enhancement, redlining, annotating, printing and converting of engineering size 2D/3D vector & raster formats.
edit editing editation viewer visualization view annotating annotation redline redlining conversion converter converting

2D/3D DXF Import and View VCL 

DXF tools for Borland Delphi and C++Builder developers. TGraphic descendants for every format. TGraphic viewer provided. DCU or Delphi source code.
dxf autocad dxf print autocad emf bmp vector view display import