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Sweet Home 3DRayon

Best for: Planning a room layout before you move the furniture

Best for: Interior designers and architects drawing floor plans

Free

The desktop application is free and open source under the GPL.

 Free + paid options

The desktop app is a free download; plan details are on the developer's site.

Windows, macOS, Linux, Web Windows, macOS, Web
  • 2D plan and 3D view update together as you draw
  • Over 10,000 models and 400 textures included in the full download
All 5 strengths
  • 2D plan and 3D view update together as you draw
  • Over 10,000 models and 400 textures included in the full download
  • Produces photo-quality renderings and video walkthroughs
  • An online version runs in any WebGL browser, with nothing to install
  • Translated into around twenty languages
  • Focused on floor plans for interior design
  • Desktop apps for macOS and Windows
All 3 strengths
  • Focused on floor plans for interior design
  • Desktop apps for macOS and Windows
  • Documentation and published product updates
  • Aimed at interior layout, not engineering drawings or parametric parts
  • Java-based, so it does not feel like a native application on any platform
All 3 limitations
  • Aimed at interior layout, not engineering drawings or parametric parts
  • Java-based, so it does not feel like a native application on any platform
  • The 3D rendering is good enough to plan with rather than to publish
  • Little detail on pricing tiers in the available information
  • Aimed at 2D plans rather than general CAD
Downloadable app, Web application Downloadable app, Web application
Open source Not open source
License: GPL-2.0 License not stated
No account needed Not stated if an account is needed
Offline features available Not stated if it works offline
Sources

Catalog checked September 20, 2026
Sources

Catalog checked October 2, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.