Sweet Home 3D JS 7.5.2, GPLv2 or later. Copyright Space Mushrooms and contributors.
Original distribution: https://sourceforge.net/projects/sweethome3d/files/SweetHome3DJS/
Upstream source: https://sourceforge.net/p/sweethome3d/code/HEAD/tree/
The AventarIA modification replaces insecure example PHP endpoints with built-in IndexedDB URLs, selects Spanish, and adds a hosting notice. No server uploads.
Hosting adapter: /aventaria-hosting-adapter.py