CAD software enables engineers and architects to design, inspect and manage engineering projects within an integrated graphical user interface (GUI) on a personal computer system. Most applications support solid modeling with boundary representation (B-Rep) and NURBS geometry, and enable the same to be published in a variety of formats. A geometric modeling kernel is a software component that provides solid modeling and surface modeling features to CAD applications.
Based on market statistics, commercial software from Autodesk, Dassault Systems, Siemens PLM Software and PTC dominate the CAD industry. The following is a list of major CAD applications, grouped by usage statistics.
- Commercial (market leaders)
- Autodesk AutoCAD
- Autodesk Inventor
- Dassault CATIA
- Dassault SolidWorks
- Kubotek KeyCreator
- Siemens NX
- Siemens Solid Edge
- PTC Pro/ENGINEER (now renamed Creo)
- Commercial (other)
- Free and open source
- CAD Kernels
- Parasolid by Siemens
- ACIS by Spatial
- KCM by Kubotek
- ShapeManager by Autodesk
- Open CASCADE
- C3D by C3D Labs
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