This is a list of computer-aided technologies companies and their software products. Software using computer-aided technologies has been produced since the 1970s for a variety of computer platforms. This software may include applications for computer-aided design, computer-aided engineering, computer-aided manufacturing and product data management. The list is far from complete or representative as the CAD business landscape is very dynamic: almost every month new companies appear, old companies go out of business, companies split and merge. Sometimes some names disappear and reappear again.
Acquired, orphaned, failed or rebranded. ;Alias:Acquired by Autodesk ;Applicon:Acquired by UGS Corp. ;CADAM INC:Acquired by Dassault Systèmes ;CADCentre:Rebranded as Aveva ;Baystate Technologies:Acquired by Kubotek Corporation ;BARCO NV:Now called Ucamco for printed circuit board applications ;Camsco:Acquired by Gerber ;CIS :Acquired by Computervision ;CADKEY:Acquired by Baystate Technologies ;Calma:Acquired by Computervision ;Claris:Published "ClarisCAD", abandoned in transition of company to FileMaker Inc. ;Computervision:Acquired by Parametric Technology Corporation ;Diehl Graphsoft:Acquired by Nemetschek ;Investronica:Acquired by Lectra ;Matra DataVision:Acquired by Dassault Systèmes ;Microdynamics, Inc.:Acquired by Gerber ;Micro Engineering Solutions, Inc.:Published "Solution 3000" and "ADX", acquired by Autodesk ;NC Graphics:Acquired by Parametric Technology Corporation ;Revit Technology Corporation:Acquired by Autodesk ;Shape Data Limited:Acquired by Siemens AG ;Spatial Corp.:Acquired by Dassault Systèmes ;SDRC:Acquired by UGS Corp. ;SRAC: acquired by SolidWorks Corporation ;SolidWorks Corporation:Acquired by Dassault Systèmes ;SDRC-IDEAS: Acquired by Unigraphics Solutions ;Unigraphics Solutions a.k.a. UGS Corp.:Acquired by Siemens
avoCADo — Open source 3D CAD program in Java. Maintained on SourceForge. Last updated on 2013-04-26.
BRL-CAD
FreeCAD — a general purpose 3D CAD modeler, implementing Open CASCADE. Maintained on SourceForge.
OpenSCAD
Wildcat CAD — Open source 3D solid modeler and CAD application. Not to be confused with Wildcat! BBS. Last updated in 2008.
IRIT — A solid modeling environment that allows one to model basic, primitive based models using Boolean operations as well as freeform surface's based models.
FreeCAD — an OpenSource CAD/CAE, based on Open CASCADE, Qt and Python.
SolidModeller — a parametric solid modeller. Includes a constraint based parametric sketcher. Maintained on SourceForge.
CADMAI — a CAD framework which can either be used as a standalone CAD application or as an integration module for 3rd party applications or SOA environments.