While this website is made and maintained by the 3D Geoinformation group at the TU Delft, everyone is welcome to contribute by submitting new content and/or fixing errors.
Help with CityJSON?
Errors or improvements in the specifications or schemas?
https://github.com/cityjson/specs
Errors in this website?
Just click on the link (edit this page on GitHub) at the bottom of any page, fix what needs to be fixed, and make a pull request.
The code of this website is open: https://github.com/cityjson/website