********** Extensions ********** Extensions build additional functionality on top of the core services of the GeoTools library. .. toctree:: :maxdepth: 2 app-schema brewer/index complex graph/index grid mbstyle/index ogc/index tile-client/index transform/transform wms/index wmts/index xsd/index ysld Extensions build on top of the core concepts provided by the GeoTools library. This allows the project to take on more general topics than just being a simple geospatial library.