Free Software packages using GEOS

Language Binding

• Go
  • ​gogeos (C API)
• Javascript
  • ​node-geos (C++ API)
• PHP
  • ​geoPHP (PHP API)
• Python
  • ​Shapely (C API)
• R
  • ​R sf (C API)
  • ​rgeos (C API)
• Ruby
  • ​Zgel (Ruby API)

• Rust
  • ​geos

Library / Framework

• ​GeoDjango - Python (C API)
• ​RT Topology Library (C API)

Database

• ​PostGIS (C API)
• ​SpatiaLite (C API)
• ​INGRES (C API)
• ​MonetDB (C API)

Application

• ​GDAL/OGR (C API)
• ​GRASS (C API)
• ​MapServer (C API)
• ​MapGuide Open Source
• ​MapWindow GIS (C API)
• ​osgEarth (C++ API)
• ​PDAL (C API)
• ​QGIS (C API)

Indirect Uses

• ​GeoPandas (via Shapely)

Proprietary packages using GEOS

• ​Autodesk MapGuide Enterprise
• ​Cadcorp SIS
• ​FME

Software that used to use GEOS

• ​osm2pgsql <= 0.92 (C++ API < 3.6) (0.94+ uses Osmium)
• ​Osmium Library (C++ API < 3.6) (now uses GDAL)