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The best free design and CAD tools

Creative and technical design work is well served by free software. The tools below span parametric 3D CAD, home and interior design, panorama stitching, professional page layout and diagramming. They are capable enough for real projects yet cost nothing, and each links to its verified download on this site, so you can build a design toolkit to suit hobby or professional work.

5 apps from our catalog

  1. FreeCAD icon

    1. FreeCAD

    by logari81 and contributors · v1.1.4 · Windows, macOS, Linux, MinGW/MSYS2

    Open Source

    A parametric 3D CAD modeller for mechanical design, product parts and 3D-printing-ready models.

    View detailsDownload
  2. Sweet Home 3D icon

    2. Sweet Home 3D

    by Emmanuel Puybaret & Filippo Bozzoli Parasacchi · v7.5 · Windows, macOS, Linux, BSD/Unix

    Open Source

    Draw house plans and arrange furniture in an easy interior-design app with a 3D preview.

    View detailsDownload
  3. Hugin icon

    3. Hugin

    by Pablo d'Angelo and contributors · v2025.0.1 · Windows, macOS, Linux, BSD/Unix

    Open Source

    Stitch overlapping photos into seamless panoramas with fine control over alignment.

    View detailsDownload
  4. Scribus icon

    4. Scribus

    by Martin and contributors · v1.6.4 · Windows, macOS, Linux, Server Operating Systems

    Open Source

    Professional open-source desktop publishing for brochures, magazines and print-ready layouts.

    View detailsDownload
  5. Dia Diagram Editor icon

    5. Dia Diagram Editor

    by Zander Brown · v1.12.16 · Windows, macOS, Linux, Cross-platform

    Open Source

    Create flowcharts, network and UML diagrams with a simple, structured drawing tool.

    View detailsDownload

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