The best free alternative to ArchiCAD is FreeCAD, which is also Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to ArchiCAD and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to ArchiCAD are Sweet Home 3D, Dune 3D, Shapr3D 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.
Sweet Home 3D is a good tool for newbies and people "always in a hurry"
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.
From design to manufacturing. Teams collaborate with more impact. Instinctive design meets multidevice capability and full interoperability for the ultimate 3D design workflow.
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.
The professional furnishing 2D-/3D-tool for everybody: The pCon.planner is a cost-free application allowing you to comfortably and professionally create complex furnishing concepts and to visualize them in a photo-realistic quality. File Formats: dwg, dxf, 3ds, skp, ... Language.
3D House Planner is the professional home design web application that allows you to design houses and apartments. No installation required. It is accessible through your browser. 3D House Planner is absolutely free for all.
QCAD is an application for computer aided drafting in 2D. With QCAD you can create technical drawings such as plans for buildings, interiors, mechanical parts or schemas and diagrams.
View, capture, personalize, and print 3D models. Download many kinds of 3D files and edit them using the 3D modeling space. Take a picture with your webcam and make it 3D.
Sverchok is a parametric tool for architects and designers. You can use it to program objects' shapes without knowing any programming languages.
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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.