mapserver isa software
! MapServer
homepage: http://mapserver.gis.umn.edu/
description: for building spatially-enabled Internet applications
tutorial: http://biometry.gis.umn.edu/tutorial/sections.html
  is-used-for cartographic-map-web-services
  supports-technology gdal
  has-licence open-source

gdal isa software-library
! GDAL
wikipedia: http://en.wikipedia.org/wiki/GDAL
description: library for raster geospatial data formats
homepage: http://www.gdal.org
api-bindings @ perl: http://search.cpan.org/~ajolma/Geo-GDAL-0.20/lib/Geo/GDAL.pod
tutorial: http://www.gdal.org/gdal_tutorial.html
data-model: http://www.gdal.org/gdal_datamodel.html
faq: http://trac.osgeo.org/gdal/wiki/FAQGeneral
supported-format-list: http://www.gdal.org/formats_list.html
  has-licence open-source


grass isa software
! Geographic Resources Analysis Support System
! @ acronym : GRASS
tutorial: http://skagit.meas.ncsu.edu/~helena/grasswork/grassclass/grass5tutor02/
wiki: http://grass.gdf-hannover.de/wiki/Main_Page
tutorial @de: http://www.grass-verein.de/grasskurs/
tutorial: http://www.isat.jmu.edu/env/edss/grass/start.htm
tutorial: http://www.ing.unitn.it/~grass/docs/tutorial/english/index_en.htm
tutorial @de: http://grass.gdf-hannover.de/wiki/GRASS_6_Tutorial
  is-used-for cartographic-map-visualisation
  supports-technology gdal
  has-licence open-source

cartogram isa
wikipedia: http://en.wikipedia.org/wiki/Cartogram