Sweet Home 3D
Architecture & BIMFree interior design and floor-plan app with 3D preview
- Licence
- GPL-2.0
- Updated
- Commercial OK
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.
| Runs on | Windows, macOS, Linux |
|---|---|
| Opens and saves | OBJ, PLY, STL, FBX, USD, Alembic Listed under Importing & Exporting Files in the Blender manual. |
| Opens | SVG |
| Commercial use | Allowed Open-source licence (GPL-2.0+): the Open Source Definition rules out restrictions on fields of use, including business use. |
Sources: docs.blender.org/manual/en/latest/files/import_export/index.html · opensource.org/osd, checked 19 Oct 2026. “Runs on” is from this listing. Blank means we haven't found it in official docs yet, not that it's unsupported.
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