- MicroStation Athens (WMS client)
- MicroStation Geospatial Extension Athens (Oracle Spatial GeoRaster client, WMS/GML client)
- Bentley Map (WFS/CityGML client)
- Geo Web Publisher (WFS/GML and WFS/CityGML server)
CityGML规范正由SIG 3D和OGC 3DIM working group讨论，算是比较前沿的东西了。见http://www.citygml.org/