DualCAD
Freeware cad application that handles the basic needs of most Microstation users
15 Alternatives To DualCAD
Autodesk AutoCAD
Autodesk AutoCAD is a commercial computer-aided design (CAD) and drafting software application.
BRL-CAD
BRL-CAD: Open Source Solid Modeling
Blender
Blender is the open source, cross platform suite of tools for 3D creation.
Draft it
Draft it is a CAD software package that allows to create, save, & print work with drawing tools that allows to create professional drawings for project.
DraftSight
Discover Dassault Systèmes®’ DRAFTSIGHT™ Professional CAD software that lets you create, edit, view and markup any kind of 2D drawing. Learn more here.
JustCAD
JustCad is designed, to make cad drawing as simple as possible.
KediCAD
CAD/CAM/ FEA software for Linux
LibreCAD
An open source 2D CAD application for Windows, Apple and Linux.
MakerSCAD
Powerfull 3D design tool for 3D printing, virtual reality and game engine.
NttCAD
Free 2D/3D CAD software, easy to use and multi-platform
QCAD
QCAD is an application for computer aided drafting in 2D.
SketchUp
3D for Everyone
WinCAD
CAD 2D/3D by STS
devCAD
2D full featured Cad and Cam application
nanoCAD
nanoCAD is a pro-grade 2D CAD system with native DWG support and full customizability.