Open Source Autodesk Fusion Alternatives

The best open source alternative to Autodesk Fusion is Blender. If that doesn't suit you, our users have ranked more than 50 alternatives to Autodesk Fusion and many of them are open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Autodesk Fusion are FreeCAD, OpenSCAD, MeshLab and Dune 3D.

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Most Autodesk Fusion alternatives are CAD Software, but you can also narrow the list to 3D Modelers or 3D Printing Tools. Other popular filters are Free, Open Source, Linux and 3D Modelling. You can also filter for EU-based alternatives if you prefer software from the European Union.
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Alternatives
Autodesk Fusion alternatives page was last updated

Alternatives list

  1. JSketcher icon
     5 likes

    Parametric 2D and 3D CAD modeler running client side in the web browser.

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2017

    Platforms

    • Self-Hosted
    Good alternative?
     
  2. 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.

    Cost / License

    Application type

    Since

    • New

    Platforms

    • Windows
    • Mac
    • Linux
    • GB flagUnited Kingdom
    Bracket
    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.

    11 CaDoodle alternatives

    Cost / License

    Application type

    Since

    • Since 2025

    Platforms

    • Windows
    • Mac
    • Linux
    • Chrome OS
    Good alternative?
     
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  4. layerling icon
     1 like

    Easy 3D CAD for 3D printing that runs entirely in the browser - no account, nothing to install, and designs never leave the device.

    7 layerling alternatives

    Cost / License

    Application type

    Since

    • New

    Platforms

    • Online
    • Self-Hosted
    Good alternative?
     
  5. 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.

    7 3DCad Studio alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Since

    • New

    Platforms

    • Online
    Good alternative?
     
  6. ShapeCraft icon
     2 likes

    ShapeCraft is for making real things: a part for your 3D printer, a box for your electronics, the bracket you've been meaning to design for months. You don't need to be an engineer, and you don't need to sign up for anything.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Since

    • New

    Platforms

    • Windows
    • Mac
    • Linux
    • Android
    • Android Tablet
    Good alternative?
     
  7. FormaCAD   icon
     1 like

    FormaCAD is a free, open-source (GPL-3.0) parametric CAD application for the desktop. Models keep named parameters, bodies and a feature history with suppression and rollback, and geometry is built with the OpenCascade kernel.

    Cost / License

    Application type

    Since

    • New

    Platforms

    • Windows
    • Mac
    • Linux
    Good alternative?
     
  8. QymCad icon
     Like

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

    Cost / License

    Application type

    Since

    • New

    Platforms

    • Windows
    • Mac
    • Linux
    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

    Since

    • New

    Platforms

    • Windows
    • Mac
    • Linux
    • Online
    Good alternative?
     
  10. mesh2cad icon
     Like

    Open-source tool that turns STL, OBJ and PLY meshes into editable CAD: STEP files with real planes, cylinders, cones, spheres and fillets, plus CadQuery, OpenSCAD and FreeCAD scripts with named parameters. CLI and MCP server.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Since

    • New

    Platforms

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

    A free, open-source 3D modeling app for woodworking and furniture design, written in Rust. Plan individual boards, wood joints, and complete assemblies with exact measurements before heading to the workshop.

    50 BenchUp alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Since

    • New

    Platforms

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

    Parametric CAD modeling with Lua.

    Cost / License

    Application type

    Since

    • New

    Platforms

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