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Open Source Catia Alternatives

The best open source alternative to Catia is FreeCAD. If that doesn't suit you, our users have ranked more than 50 alternatives to Catia and four of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Catia are LibreCAD, MakerSCAD and OpenVSP (Vehicle Sketch Pad).

Catia alternatives are mainly CAD Software but may also be 3D Modelers or 3D Printing Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Catia.
This page was last updated Jun 27, 2022
  • Windows

CATIA (Computer Aided Three-dimensional Interactive Application) (in English usually pronounced /k?'ti?/) is a...

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  1. FreeCAD is a general purpose parametric 3D CAD modeler. The development is completely Open Source (LGPL License).

    FreeCAD vs Catia opinions
    Most users think FreeCAD is a great alternative to Catia.

    Free, simple, many interfaces in and out (STP, IDS, STL ...), still in development, many forums and macros available. BUT some bugs remain, hopefully we can find a workaround.

    Positive comment over 4 years ago
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  2. LibreCAD

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • BSD

    LibreCAD (originally QCad then CADuntu) is an open source 2D CAD application for Windows, Apple and Linux. It is based on Qt, which is a leading cross-platform application and UI development framework.

  3. MakerSCAD

    • FreemiumOpen Source
    • Mac
    • Windows
    • Linux
    • Online
    • Chrome OS

    MakerSCAD is a web-based parametric 3D design software with a block-based programming language to create objects for 3D printing, animations, games and websites.


    Site certificate expired. Software itself hasn't been updated in a very long time, is incomplete, and doesn't function

  4. OpenVSP (Vehicle Sketch Pad)

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    OpenVSP (Vehicle Sketch Pad) is a geometry modeling tool for conceptual aircraft design. The software rapidly models aircraft configurations without expending the expertise required for traditional Computer Aided Design (CAD) packages.

Showing 4 of 4 alternatives