Open Source FreeCAD Alternatives

The best open source alternative to FreeCAD is OpenSCAD. 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 SolveSpace, FluidCAD, BRL-CAD and LibreCAD.

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FreeCAD alternatives are mainly CAD Software, but if you're looking for 3D Modelers or 3D Printing Tools you can filter on that. Other popular filters include iPad, Android, Open Source, Mac, iPad + Free, Linux and Android Tablet. These are just examples - use the filter bar below to find more specific alternatives to FreeCAD.
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Alternatives list

  1. 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

    Platforms

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

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

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    Good alternative?
     
  3. 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.

    60 gCAD3D alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    • Linux
    Good alternative?
     
  4. 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

    Alerts

    • Discontinued

    Platforms

    • Windows
    • Linux
    Good alternative?
     
  5. 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...

    50 Archimedes CAD alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    Good alternative?
     
  6.  1 like

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

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Windows
    Good alternative?
     
  7.  Like

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

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    • Linux
    Good alternative?
     
  8. Linkage is computer aided design software used for quick prototyping of linkage mechanisms. The number of operations needed to add a link and get it connected to other links in the mechanism has been minimized to the lowest number possible, making this program ideal for...

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    Good alternative?
     
  9. A free, open-source 2.5D & 3D CAD/CAM application for CNC toolpath generation, available for desktop (Mac, Windows, Linux) and web browsers.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    Good alternative?
     
  10. build123d icon
     Like

    build123d is a Python-based, parametric boundary representation (BREP) modeling framework for 2D and 3D CAD. Built on the Open Cascade geometric kernel, it provides a clean, fully Pythonic interface for creating precise models suitable for 3D printing, CNC machining, laser...

    8 build123d alternatives

    Cost / License

    Application type

    Platforms

    • Windows
    • Linux
    • Mac
    • Python
    Good alternative?
     
  11. QymCad icon
     Like

    Parametric 3D CAD with a real B-rep kernel (OpenCASCADE).

    Cost / License

    Application type

    Platforms

    • Windows
    • Mac
    • Linux
    Good alternative?
     
  12. LuaCAD icon
     Like

    Parametric CAD modeling with Lua.

    Cost / License

    Application type

    Platforms

    • Lua
    • Homebrew
    • Mac
    • Linux
    • Rust
    • Windows
    Good alternative?
     
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