Open Source FreeCAD AlternativesCAD Software & 3D Modelers like FreeCAD

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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Alternatives
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Alternatives list

  1. LibreCAD icon
     183 likes

    LibreCAD 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.

    129 LibreCAD alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2010

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • PortableApps.com
    • Flathub
    Good alternative?
     
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    6
  2. Hew icon
     16 likes

    Free, open-source 3D modeler that works like SketchUp: draw on a face, push/pull, snap to what's there. Every shape is a watertight solid. Native on macOS, Windows, Linux, and in the browser. Imports .skp.

    12 Hew alternatives

    Cost / License

    Application type

    Since

    • New

    Platforms

    • Online
    • Windows
    • Mac
    • Linux
    • Self-Hosted
    • US flagUnited States
    Hew screenshot 1
    Good alternative?
     
  3. CADCraft icon
     12 likes

    Computer-aided design and drafting; an open-source, clean-room reimplementation of Autodesk AutoCAD, rebuilt in pure Rust.

    4 CADCraft alternatives

    Cost / License

    Application type

    Since

    • New

    Platforms

    • Mac
    • Windows
    • Linux
    • Flatpak
    • AppImage
    Good alternative?
     
  4. OpenSCAD icon
     85 likes

    OpenSCAD is a software for creating solid 3D CAD objects. It is free software and available for Linux/UNIX, MS Windows and MacOS.

    65 OpenSCAD alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2010

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    • Flatpak
    • Snapcraft
    • BSD
    • Docker
    • Homebrew
    Good alternative?
     
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    2
  5. FluidCAD icon
     7 likes

    Parametric 3D CAD in browser using JavaScript scripting, fully interactive viewport editing, non-destructive feature tree control, direct geometry referencing, rapid prototyping, STEP import/export, smart defaults, minimal math, and open source availability.

    40 FluidCAD alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Since

    • Since 2026

    Platforms

    • Linux
    • Mac
    • Windows
    Good alternative?
     
  6. SolveSpace icon
     33 likes

    SolveSpace is a parametric 3D CAD program with extrude, revolve, union and difference functions. Save/Export as DXF, PDF, SVG, STL, STEP. Mesh generation expected by most 3d printers.

    80 SolveSpace alternatives

    Cost / License

    Application type

    Since

    • Since 2015

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    Good alternative?
     
  7. BRL-CAD icon
     56 likes

    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...

    80 BRL-CAD alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2009

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    Good alternative?
     
  8. SolidCraft icon
     4 likes

    SolidCraft is an open-source parametric 3D CAD application written in pure Rust. Sketch on a plane, constrain and dimension the sketch, turn profiles into solids with features on a timeline, and change a parameter to watch the whole timeline rebuild.

    50 SolidCraft alternatives

    Cost / License

    Application type

    Since

    • New

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • AppImage
    • Flatpak
    Good alternative?
     
  9. Dune 3D icon
     16 likes

    Dune 3D operates as a parametric 3D Computer-Aided Design (CAD) software. It provides users with the capability to sketch and constrain both in 2D and 3D dimensions. Furthermore, it allows for the addition of chamfers and fillets to designs.

    68 Dune 3D alternatives

    Cost / License

    Application type

    Since

    • Since 2024

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    Good alternative?
     
  10. CADAM icon
     6 likes

    The open source text to CAD web app.

    Cost / License

    Application type

    Since

    • Since 2025

    Platforms

    • Online
    • Self-Hosted
    Good alternative?
     
  11. CAD Sketcher icon
     11 likes

    CAD Sketcher is a free and open-source project looking to enhance precision workflows in Blender by bringing CAD like tools, features and usability to Blender.

    62 CAD Sketcher alternatives

    Cost / License

    Application type

    Since

    • Since 2024

    Platforms

    • Blender
    • Mac
    • Windows
    • Linux
    • BSD
    Good alternative?
     
  12. MakerSCAD icon
     7 likes

    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.

    113 MakerSCAD alternatives

    Cost / License

    • Freemium
    • Open Source

    Application type

    Since

    • Since 2016

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Chrome OS
    Good alternative?
     
12 of 44 FreeCAD alternatives