Development

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GRASS License

The GRASS GIS project is developed under the terms of the GNU General Public License (the GPL) in the open by volunteers the world over.

Resources for Developers

Communication

Documentation

GRASS libraries are self-documenting using Doxygen header comments.

Code

CVS

QA

  • Internal GRASS test suite (scripts collection in "testsuite/")

Code Search and Metrics

Ongoing and Plans

Overview

Works in Progress

Sandbox (ideas section)

Linking GRASS to external languages

GRASS and QGIS

Commercial development for GRASS

This is an unsorted (and most probably incomplete) list of paid development for GRASS GIS

Related projects

With connections to GRASS

  • JGrass - Java based frontend for GRASS incuding extended hydrological modelling tools
  • KerGIS - BSD-like licensed fork of GRASS 4.1.5
  • GAL - Project to reimplement a GRASS-like GIS using a modern object oriented approach
  • pyWPS - Python Web Processing Service (GRASS on the web)
  • PROJ.4 - Cartographic Projections Library
  • GDAL - Geospatial Data Abstraction Library
  • QGIS - Quantum GIS
  • OSGeo- The Open Source Geospatial Foundation
  • FreeGIS.org - Interactive information base for the GIS Free Software world
  • DebianGIS - Project coordinating geospatial software for Debian GNU/Linux
  • R statistics - High powered geostatistical analysis engine
  • gstat - Multivariable geostatistical modelling, prediction and simulation

Not connected to GRASS

  • GMT - The Generic Mapping Tools advanced cartography package
  • SAGA GIS - A modern programming method GIS for the geosciences
  • uDig - User-friendly Desktop Internet GIS (uDig) web portal
  • gvSIG - Similar in nature to QGIS, but written in Java
  • JUMP - For viewing and manipulating spatial data-sets, using Java
  • Starspan - Mixed raster and vector spatial analysis
  • OpenEV - Raster and vector GIS with good support for image analysis