3D City Database client for high-performance import and export of 3D cit...
CityJSON/io: Python CLI to process and manipulate CityJSON files
The Open Source Java API for CityGML
Collection of tools for processing CityGML files
Specifications for CityJSON, a JSON-based encoding for 3D city models
3D city model viewer for Mac
Validation of 3D primitives according to the international standard ISO1...
Repository for the 3D Amsterdam Unity viewer project
A QGIS plugin that adds support for CityJSON files