.. _users:

================================================================================
Software and organizations using or contributing to PROJ
================================================================================

Free and open source software
-----------------------------

- `GDAL <https://gdal.org>`_ Translator library for raster and vector geospatial data formats, used by > 100 other software
- `GRASS GIS <http://grass.osgeo.org>`_  A raster/vector open source GIS
- `libgeotiff <https://github.com/OSGeo/libgeotiff>`_ Library to read/write GeoTIFF keys
- `MapServer <http://mapserver.org/index.html>`_  A popular web mapping application
- `PDAL <https://pdal.io>`_  Point Cloud Data Abstraction Library
- `PostGIS <http://www.postgis.net>`_ Spatial database extender for PostgreSQL
- `QGIS <http://www.qgis.org>`_ A cross platform desktop GIS.
- `QField <http://qfield.org>`_ Mobile data collection app for Android, iOS and Windows.
- `R <http://www.r-project.org>`_ A free software environment for statistical computing and graphics
- `mundipy <https://docs.mundi.ai>`_ A Python framework for spatial data analysis

PROJ bindings in other languages
--------------------------------

See :ref:`bindings`


Proprietary licensed software
-----------------------------

- `FME <http://www.safe.com>`_  A GIS translator package. Includes a PROJ based transformer.
- `Avenza Maps <https://www.avenzamaps.com>`_  Top mobile mapping app for offline navigation and data collection.
- `Bunting Labs <https://buntinglabs.com/>`_ No-code GIS infrastructure

Geodetic organizations
----------------------

- `Agency for Data Supply and Infrastructure of Denmark (SDFI) <https://eng.sdfi.dk/>`_ 
- `Land Information New Zealand (LINZ) <https://www.linz.govt.nz/>`_
- `National Land Survey of Finland (NLS) <https://www.maanmittauslaitos.fi/en>`_
- `National Land Survey of Iceland (NLS) <https://www.lmi.is/>`_
- `Netherlands Partnership Geodetic Infrastructure (NSGI) <https://www.nsgi.nl/>`_

  * `Netherlands' Cadastre, Land Registry and Mapping Agency (Kadaster) <https://www.kadaster.nl/about-us>`_
  * `Directorate-General for Public Works and Water Management (Rijkswaterstaat) <https://www.rijkswaterstaat.nl/en>`_
  * `Hydrographic Service of the Royal Netherlands Navy <https://english.defensie.nl/organisation/navy/navy-units/hydrographic-service/>`_

- `Nordic Geodetic commission (NKG) <https://www.nordicgeodeticcommission.com/>`_
- `Norwegian Mapping Authority (Kartverket) <https://kartverket.no/en>`_
- `Swedish mapping, cadastral and land registration authority (Lantmäteriet) <https://www.lantmateriet.se/>`_
- `USGS <https://www.usgs.gov/>`_: PROJ initial author, Gerald E. Evenden, worked at USGS

Public organizations
--------------------

- `Istituto Nazioanle di Astrofisica (INAF) <https://www.inaf.it/>`_ : `Planetary Mapping and GIS Laboratory <https://gislab.iaps.inaf.it/>`_
- `Ecole Nationale des Sciences Géographiques (ENSG-géomatique) <https://www.ensg.eu/>`_ : French geomatic school which depends on the National Institute of Geographic and Forest Information (IGN)

(add yourself here if you are a direct user of PROJ API or utilities)

Private organizations
---------------------

(add yourself here if you are a direct user of PROJ API or utilities)

Sponsors
--------

PROJ development, as an upstream dependency of GDAL, benefits from funding
brought by its `sponsors <https://gdal.org/sponsors/>`_
