- Furniture GDL Library
Author: gdl-joe
Velux
https://www.velux.co.uk/professional/products/cad-bim/3d-objects
- Roof Windows Library
Simes
https://www.simes.it/en/download/
- Light Sources GDL Objects
Puertas Gismero
http://www.puertasgismero.es/en/bim-english
- Doors Library
PERCo
http://materia.se/en/downloads/
- Access Control Systems
Materia
http://materia.se/en/downloads/
- Furniture GDL Library
Martela
https://martela.com/3d-objects-and-material-libraries
- Furniture GDL Library
Lammhults
https://www.lammhults.se/downloads
- Furniture GDL Library
Liune
- Windows and Doors Library (Finnish)
Korpinen
- Furniture GDL Library
- GDL showrooms in 3D