GeoParquet Feature Server built with FastAPI

Common Query Language 2 (CQL2) filter parser and tooling

Free and Open-Source Software libraries implementing OGC Cartographic Symbology 2.0, CQL2 and Simple Features (WKT/WKB, GeoJSON and DE-9IM)

Cql2Cpp is a C++ library that implements the parsing and evaluation of OGC CQL2(Common Query Language). It can also convert CQL2 to SQL WHERE clause

cql2g4 is a java library that implements the parsing of OGC CQL2(Common Query Language). It can also convert CQL2 to SQL WHERE clause

🌍 Serve GeoJSON and vector tiles from GeoParquet using FastAPI and DuckDB for fast queries and flexible filtering directly from object storage.