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Open Source Autodesk Inventor Alternatives

The best open source alternative to Autodesk Inventor is FreeCAD. If that doesn't suit you, our users have ranked more than 50 alternatives to Autodesk Inventor and five of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Autodesk Inventor are LibreCAD, BRL-CAD, MakerSCAD and VARKON.

Autodesk Inventor 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 Autodesk Inventor.
This page was last updated Mar 17, 2022
  • Windows

Autodesk® Inventor® products offer a comprehensive, flexible set of software for 3D mechanical design, product...

Learn more about Autodesk Inventor

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

    FreeCAD vs Autodesk Inventor opinions
    Some users think FreeCAD is a great alternative to Autodesk Inventor, some don't.

    Lots of good feature and great compatibility

    Positive comment over 6 years ago
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    -8

    Would not open of arch linux

    Negative comment over 2 years ago
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    0

    Wasn't able to do anything with it

    Negative comment almost 3 years ago
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    6
  2. LibreCAD

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • BSD
    • PortableApps.com

    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.

    LibreCAD vs Autodesk Inventor opinions
    This alternative is disputed. LibreCAD is still a legitimate alternative to Autodesk Inventor, but it might have issues that some users think are important.

    Inventor is for 3D CAD, LibreCAD is for 2D CAD.

    Negative comment about 4 years ago
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    14

    Inventor is for 3D CAD, LibreCAD is for 2D CAD.

    Negative comment over 1 year ago
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    0

    3d vs 2d. the end results of printed plans may not be too different but there's a large difference in use and also some different purposes for use.

    Negative comment about 3 years ago
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    1

    LibreCAD is a simple 2D program without 3D modeling

    Negative comment almost 3 years ago
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    3


  3. BRL-CAD

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • BSD

    BRL-CAD is a powerful cross-platform open source solid modeling system that includes interactive geometry editing, high-performance ray-tracing for rendering and geometric analysis, image and signal-processing tools, a system performance analysis benchmark suite, libraries for...

  4. 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.

    Discontinued

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

  5. VARKON

    • FreeOpen Source
    • Windows
    • Linux

    Varkon is a very powerful parametric 2D/3D CAD, modeling and application development tool for engineering, design, architecture, etc. It does 2D drafting, 2D and 3D modeling, sculptured surface modeling, and even animations.

    Discontinued

    The project seems no longer developed. Last version, 1.19E, released in November 2012, can be still downloaded from SourceForge.

Showing 5 of 5 alternatives