Autodesk AutoCAD - Autodesk AutoCAD is a commercial computer-aided design (CAD) and drafting software application.
FreeCAD - An open-source parametric 3D modeler
ZWCAD - ZWCAD software, as a highly reliable and powerful CAD tool, meets the needs of 2D/3D design &...
SketchUp - 3D for Everyone
GstarCAD - GstarCAD is an affordable, cost-effective, DWG-compatible CAD software covering a wide range of industry from architecture, mechanical, interior design, construction to engineering.
LibreCAD - An open source 2D CAD application for Windows, Apple and Linux.