Sweet Home 3D
Architecture & BIMFree interior design and floor-plan app with 3D preview
- Licence
- GPL-2.0
- Updated
Alternative to SketchUp

Free and open-source 3D creation suite
From GitHub, fetched 19 Oct 2026.
Blender covers mesh modelling, sculpting, rendering, animation and simulation. It is not a parametric CAD tool, but add-ons such as CAD Sketcher and Bonsai extend it towards precise and architectural modelling.
Free interior design and floor-plan app with 3D preview
Alternative to SketchUp
Open-source system for processing and editing 3D meshes
Alternative to Geomagic Design X