The best open source alternative to Sketchfab is MediaGoblin. If that doesn't suit you, our users have ranked more than 50 alternatives to Sketchfab and ten of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Sketchfab are Online 3D Viewer, Art of Illusion, SEA3D and Fragmentarium.
Sketchfab alternatives are mainly 3D Modelers, but if you're looking for
CAD Software or Game Development Tools you can filter on that. Other popular filters include
Free and
Open Source. You can also filter by region, for example
EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Sketchfab.
this is not 3d resource site