FreeCAD - An open-source parametric 3D modeler
LibreCAD - An open source 2D CAD application for Windows, Apple and Linux.
SketchUp - 3D for Everyone
OpenSCAD - OpenSCAD is a software for creating solid 3D CAD objects.
Solid Edge - Solid Edge is an industry-leading mechanical design system with exceptional tools for creating and...
Autodesk AutoCAD - Autodesk AutoCAD is a commercial computer-aided design (CAD) and drafting software application.