cityjson topic
importer-exporter
3D City Database client for high-performance import and export of 3D city model data
3dfier
The open-source tool for creating 3D models
citygml-tools
Collection of tools for processing CityGML files
citygml4j
The Open Source Java API for CityGML
val3dity
Validation of 3D primitives according to the international standard ISO19107
specs
Specifications for CityJSON, a JSON-based encoding for 3D city models
azul
3D city model viewer for Mac
cjio
CityJSON/io: Python CLI to process and manipulate CityJSON files
cityjson-qgis-plugin
A QGIS plugin that adds support for CityJSON files