While this website is made and maintained with by the 3D Geoinformation group at the TU Delft, anyone who also loves CityGML is more than welcome to contribute by submitting new content and/or fixing errors.
The website is a set of static pages, no DBMS or CMS is used. The source code is publicly available and hosted on GitHub.
Jekyll is used to generate static pages from the source, and these are generated automatically after someone pushes to the repository (it may take ~30s to refresh though).
To add a news or a public datasets for instance, see the README.
If you spotted an error or want to add content, let us know by either: