Open Source

Beside commercial software packages there is also a number of Open Source Projects that support CityGML.

 Open Source Projects

Institute for Cartography and Geoinformation, University of Bonn

Aristoteles, an Open Source viewer for CityGML Data. --> Download

Institute for Geodesy and Geoinformation Science, Berlin University of Technology

3D City Database, a free 3D geo database for the storage and management of virtual 3D city models based on CityGML - to be used in conjunction with Oracle 10G R2 Spatial (or 11G). 3D City Database Import/Export Tool, a free and open-source Java software tool facilitating the import and export of CityGML datasets into the 3D City Database. citygml4j, an open-source Java class library and API for the processing of 3D city models encoded in CityGML. --> more information and download