Cadence SPB/OrCAD is developed by Cadence Design Systems, Inc.. The most popular version of this product among our users is 16.6. The names of program executable files are Capture.exe, cdnshelp.exe, specctra.exe and switchversion.exe. The product will soon be reviewed by our informers.
You can check CAD .NET, P-CAD 2006 Viewer, P-CAD 2006 Service Pack 1 and other related programs like P-CAD 2004 Libraries at the "download" section.