View, print and convert CAD files.
It converts among the three popular CAD drawings’ formats: DXF, DWG, and DWF.
API for NET developers that supports AutoCAD DWG, DXF, PLT and other CAD formats
A freeware viewer for P-CAD Schematic and PCB files.
P-CAD 2006 Service Pack 1 (SP1) includes over 140 features and enhancements.