Free alternatives to CATIA

Last updated · 2 options

Quick answer: There are 2 free options here. FreeCAD and BRL-CAD are listed first; check formats, platforms and licence for your own work.

Dassault Systèmes' high-end CAD platform used in aerospace and automotive. Here are 2 free options, most-starred first.

FreeCAD

3D & parametric CAD

Open-source parametric 3D modeller for real-life objects

Stars
★ 34.5k
Licence
LGPL-2.1+
Updated
  • Commercial OK
  • STEP
  • STL

Alternative to SolidWorks, Fusion 360

BRL-CAD

3D & parametric CAD

Constructive solid geometry modelling system with decades of history

Licence
LGPL-2.1
Status
Open source
  • Commercial OK

Alternative to CATIA

FAQ

Is there a free alternative to CATIA?

Yes. CADAlts lists 2 options: FreeCAD and BRL-CAD.

Which CATIA alternatives are open source?

FreeCAD (LGPL-2.1+) and BRL-CAD (LGPL-2.1).

Which CATIA alternatives run on a Mac?

FreeCAD and BRL-CAD (all of them).

Related categories: 3D & parametric CAD

Check file compatibility before switching. Free tools import STEP, DXF and other neutral formats well, but native SolidWorks, Altium or Revit files, drawing standards and PDM workflows may not carry over cleanly.

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