The best open source CAD alternative to ArchiCAD is FreeCAD. If that doesn't suit you, our users have ranked more than 50 alternatives to ArchiCAD and ten of them are open source CAD Software so hopefully you can find a suitable replacement. Other interesting open source CAD Software alternatives to ArchiCAD are Sweet Home 3D, Dune 3D, CADAM and Bonsai BIM Add-on.
A powerful open-source parametric 3D modeler ideal for mechanical engineering, supporting Python scripting, running on Windows, Linux, and Mac, with modular architecture allowing extensive adaptability and use with scientific computing libraries.
Open-source, Java-based software that allows users to create detailed floor plans, arrange furniture, and explore the final layout in 3D, assisting in interior design projects with ease and flexibility.
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.
An add-on for beautiful, detailed, and data-rich OpenBIM with Blender. It was named BlenderBIM until 2024. It uses the ifcopenshell.
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.
Sverchok is a parametric tool for architects and designers. You can use it to program objects' shapes without knowing any programming languages.
B-processor is BIM software that has been and currently is still developed by the Arhus School of Architecture in cooperation with the Alexandra institute.
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...
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Archicad is a professional BIM-Solution, Sweet home is simple 3D for personal interior design. Nice software, just not the same thing at all.