Open Source FreeCAD Alternatives

The best open source alternative to FreeCAD is LibreCAD. If that doesn't suit you, our users have ranked more than 100 alternatives to FreeCAD and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to FreeCAD are Hew, CADCraft, OpenSCAD and FluidCAD.

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Most FreeCAD alternatives are CAD Software, but you can also narrow the list to 3D Modelers or 3D Printing Tools. Other popular filters are Android, Open Source, iPad, Linux and Mac.
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Alternatives
FreeCAD alternatives page was last updated

Alternatives list

  1. FreeShape icon
     2 likes

    Free, offline, Onshape-style parametric CAD. Sketch, model, assemble, make 2D drawings (PDF / AutoCAD DXF) and sheet-metal flat patterns, all on your own computer, no account or cloud.

    6 FreeShape alternatives

    Cost / License

    Application type

    Since

    • New

    Platforms

    • Windows
    • Mac
    • Linux
    • GB flagUnited Kingdom
    Bracket
    Good alternative?
     
  2.  2 likes

    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.

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2013

    Alerts

    • Discontinued

    Platforms

    • Windows
    • Linux
    Good alternative?
     
  3. CaDoodle icon
     7 likes

    CaDoodle is a local drag-and-drop CAD application for Linux (Arm,x86), WIndows (X86), and Mac (Arm,x86) and ChromeOS. Users models are stored locally, and the application runs entirely locally. CaDoodle has a drag and drop interface that is cross-trainable with TinkerCAD.

    Cost / License

    Application type

    Since

    • Since 2025

    Platforms

    • Mac
    • Windows
    • Linux
    • Chrome OS
    Good alternative?
     
  4. Impact is an explicit Finite Element Program Suite which simulates dynamic impact events. It has a range of elements, contact handling and different material laws. Models can be created, solved and analyzed with the included pre- and postprocessor.

    Cost / License

    • Free
    • Open Source

    Since

    • Since 2019

    Alerts

    • Discontinued

    Platforms

    • Linux
    Good alternative?
     
  5. pythonOCC icon
     Like

    pythonOCC is a 3D CAD/PLM development library for the Python programming language. It provides 3D hybrid modeling, data exchange (support for the STEP/IGES file

    Cost / License

    • Free
    • Open Source

    Since

    • Since 2017

    Platforms

    • Mac
    • Windows
    • Linux
    Good alternative?
     
  6. RapCAD icon
     Like

    RapCAD is a Rapid prototyping CAD IDE for RepRap and RepStrap 3D printing machines.

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2016

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    Good alternative?
     
  7. gCAD3D icon
     2 likes

    gCAD3D is a 3D CAD CAM application that features an integrated 3D OpenGL viewer, a program interpreter for geometry and NC-commands in 3D, an integrated NC-processor, and a programming interface for user programs.

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2009

    Platforms

    • Windows
    • Linux
    Good alternative?
     
  8. HeeksCAD icon
     11 likes

    HeeksCAD is a free, open source, CAD application - Imports solid models from STEP and IGES files. Draws construction geometry and lines and arcs. Creates new primitive solids, or make solids by extruding a sketch or by making a lofted solid between sketches.

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2010

    Alerts

    • Discontinued

    Platforms

    • Windows
    • Linux
    Good alternative?
     
  9. Archimedes is a free and open source CAD (Computer Aided Design) software. It is a robust system built over Eclipse’s Rich Client Java Platform fully based on plug ins. This means it is easily extensible but also has a pretty thin core that allows you to select the features you...

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2010

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    Good alternative?
     
  10.  1 like

    CADPlatform Parametric Modeling Platform. It's base on Open Cascade Technology.

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2016

    Alerts

    • Discontinued

    Platforms

    • Windows
    Good alternative?
     
  11. 3DCad Studio icon
     1 like

    A free, privacy-first in-browser 3D CAD modeler featuring Dual CAD architecture (OpenCASCADE B-Rep and mesh CSG), 2D constraint solving, kinematic assemblies, and an on-device local AI assistant.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Since

    • New

    Platforms

    • Online
    Good alternative?
     
  12.  Like

    CScheme is the integration of geometric kernels in a functional language.

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2016

    Platforms

    • Windows
    • Linux
    Good alternative?
     
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