GeoDjango uses and/or provides interfaces for the following open source geospatial libraries:
Program Description Required Supported Versions GEOS Geometry Engine Open Source Yes 3.4, 3.3 PROJ.4 Cartographic Projections library Yes (PostgreSQL and SQLite only) 4.9, 4.8, 4.7, 4.6, 4.5, 4.4 GDAL Geospatial Data Abstraction Library Yes (SQLite only) 2.1, 2.0, 1.11, 1.10, 1.9, 1.8, 1.7 GeoIP IP-based geolocation library No 1.4 PostGIS Spatial extensions for PostgreSQL Yes (PostgreSQL only) 2.3, 2.2