Opensource GIS

• Geographic Resources Analysis Support System (GRASS)
  Homepage: http://grass.itc.it/

• Geographic Resources Analysis Support System (GRASS)
  Homepage: http://grass.osgeo.org/
  
  
  
• Geographic Resources Analysis Support System (GRASS)
  Homepage: http://grass.itc.it/

• PROJ
  Homepage: http://www.remotesensing.org/proj
  
  
• Geospatial Data Abstraction Library (GDAL)
  Homepage: http://www.gdal.org
  
  
• The Generic Mapping Tools (GMT)
  Homepage: http://gmt.soest.hawaii.edu/
  
  
• Geoserver
  Homepage: http://geoserver.org
  

• MapServer Workbench
  Homepage: http://msworkbench.sourceforge.net
  
  
• PostGIS
  Homepage: http://postgis.refractions.net/
  
  
• Geographic Translator (GEOTRANS)
  Homepage: http://earth-info.nga.mil/GandG/geotrans/
  
  
• OGR
  Homepage: http://www.gdal.org/ogr
  
  
• Quantum GIS (QGIS)
  Homepage: http://qgis.org/
  
  
• GpsDrive
  Homepage: http://www.gpsdrive.de/
  
  
• US Census 2000 TIGER/Line
  Homepage: http://www.census.gov/geo/www/tiger/tigerua/ua_tgr2k.html
  
  
• OpenLayers
  Homepage: http://openlayers.org/
  
  
• deegree
  Homepage: http://www.deegree.org/
  
  
• InteProxy
  Homepage: http://inteproxy.wald.intevation.org
  
  
• R-Project (rgeo)
  Homepage: http://cran.at.r-project.org/src/contrib/Views/Spatial.html
  
  
• gen2shp
  Homepage: http://intevation.de/~jan/gen2shp/gen2shp.html
  
  
• Thuban
  Homepage: http://thuban.intevation.org/
  
  
• geos (Geometry Engine Open Source (GEOS))
  Homepage: http://geos.refractions.net/
  
  
• JEEPS
  Homepage: http://www.ebi.ac.uk/~ajb/jeeps/
  Last update: 2007-04-05 21:32:08
  
  
  
• uDig
  Homepage: http://udig.refractions.net/
  
  
• KFlog
  Homepage: http://kflog.org/
  
  
• NCAR Graphics
  Homepage: http://ngwww.ucar.edu/
  
  
• MapIt!
  Homepage: http://www.mapit.de/index.en.html
  Last update: 2002-04-19 15:53:27
  
  MapIt! is a web application that allows to navigate on rastermaps, zoom in and out, and to choose and identifiy objects (points of interest).
• Gen2shp
  Homepage: http://arcscripts.esri.com/details.asp?dbid=10606
  
  
• edbsilon
  Homepage: http://edbsilon.intevation.org/
  
  
  
• edbs2wkt
  Homepage: http://sourceforge.net/projects/edbs2wkt
  
  
• JCS Conflation Suite (JCS)
  Homepage: http://www.vividsolutions.com/jcs/
  
  
• JUMP Unified Mapping Platform (JUMP)
  Homepage: http://www.jump-project.org/ See also the Jump Pilot Project which tries to foster JUMP use.
• OpenMap
  Homepage: http://openmap.bbn.com/
  
  
• Practical Map Server (PMS)
  Homepage: ftp://freegis.org/freegis/misc/
  
  
• GeoTools
  Homepage: http://www.geotools.org/
  
  
• Vis5D+
  Homepage: http://vis5d.sourceforge.net/
  
  
• Vis5D
  Homepage: http://www.ssec.wisc.edu/~billh/vis5d.html
  
  
• GeoTools
  Homepage: http://www.geotools.org/
  
  
• Geographic Foundation Class (GFC)
  Homepage: ftp://ftp.intevation.de/freegis/misc/gfc
  
  
• wayp2shp
  Homepage: http://www.geocities.com/jt_taylor.geo/wayp2shp.html
  
  
• GEO
  Homepage: http://homepage.ntlworld.com/anton.helm/garnix.html
  Last update: 2002-04-01 16:24:22
  
  coordinate conversion tool. GEO converts lon/lat, ECEF und TM (Gauss-Krüger) coordinate systems and is fully configurable
  
  
• BBBike
  Homepage: http://bbbike.sourceforge.net
  Last update: 2006-09-29 17:02:37
  
  example
  
  
• Virtual Terrain Project (VTP)
  Homepage: http://vterrain.org/
  
  
• TARDEM
  Homepage: http://www.engineering.usu.edu/dtarb/tardem.html
  
  
• 3D Graphical Map Viewer (g3DGMV)
  Homepage: http://g3dgmv.sourceforge.net/index.html
  
  
• kdem
  Homepage: http://www.mindspring.com/~jamoyers/kdem/
  
  
• Open Geographic Datastore Interface (OGDI)
  Homepage: http://ogdi.sourceforge.net/
  
  
• CartoWeb
  Homepage: http://cartoweb.org/
  
  
• SAGA
  Homepage: http://www.saga-gis.uni-goettingen.de/html/index.php
  
  
• gvSIG
  Homepage: http://www.gvsig.gva.es
  
  
• p.mapper
  Homepage: http://pmapper.sourceforge.net/
  
  
• GIS Viewer
  Homepage: http://elib.cs.berkeley.edu/gis/
  
  
• MapLab
  Homepage: http://www.maptools.org/maplab
  
  
• SDTSxx (SDTS++)
  Homepage: http://mcmcweb.er.usgs.gov/sdts/sdtsxx/
  
  
• GeoDjango
  Homepage: http://geodjango.org/
  
  
• basic-wms2.py
  Homepage: http://www.intl-interfaces.net/cookbook/WMS/
  
  
• Python Cartographic Library (PCL)
  Homepage: http://trac.gispython.org/projects/PCL/wiki
  
  
• Mapbender
  Homepage: http://www.mapbender.org/
  
  
• Cartographic Objects for Zope (ZCO)
  Homepage: http://zmapserver.sourceforge.net/ZCO/
  
  
• E00compr
  Homepage: http://avce00.maptools.org/e00compr/index.html
  
  
• OpenJUMP
  Homepage: http://openjump.org
  
  
• shapelib
  Homepage: http://shapelib.maptools.org/
  
  
• MapGuide Open Source
  Homepage: http://mapguide.osgeo.org/
  
  
• GeoNetwork
  Homepage: http://geonetwork-opensource.org/
  
  
  
• gpspoint
  Homepage: http://gpspoint.dnsalias.net/gpspoint2/
  
  
• libgeotiff
  Homepage: http://geotiff.maptools.org/
  
  
• GPS Manager (GPSMan)
  Homepage: http://www.ncc.up.pt/gpsman/
  
  
• tkgeomap
  Homepage: http://tkgeomap.sourceforge.net
  
  
• AVCE00
  Homepage: http://avce00.maptools.org/avce00/index.html
  
  
• MITAB
  Homepage: http://mitab.maptools.org/
  
  
• DGNLib
  Homepage: http://dgnlib.maptools.org/
  
  
• gpsutils
  Homepage: http://www.wombat.ie/gps/
  
  
• GPStrans
  Homepage: http://sourceforge.net/projects/gpstrans
  
  
• Earth3D
  Homepage: http://www.earth3d.org
  
  
• GPS3D
  Homepage: http://www.mgix.com/gps3d/
  
  
• Atlas
  Homepage: http://atlas.sourceforge.net/
  
  
• EDBS_extra
  Homepage: http://www.rinners.de/edbs/
  
  
• Open Source Software Image Map (OSSIM)
  Homepage: http://www.ossim.org/
  
  
• GARNIX
  Homepage: http://homepage.ntlworld.com/anton.helm/garnix.html
  
  
• retep Graph
  Homepage: http://www.retep.org.uk/mapping/
  
  
• Hugo
  Homepage: http://www.hsge.de/geo-spatial/software/index.html
  
  
• SpatiaLite
  Homepage: http://www.gaia-gis.it/spatialite/index.html
  
  
• PyGarmin
  Homepage: http://pygarmin.org/
  
  
• Gstat
  Homepage: http://www.gstat.org/
  
  
• PrimaGIS
  Homepage: http://www.primagis.fi/
  
  
• OrbisCAD
  Homepage: http://orbiscad.sourceforge.net/
  
  
• e00pg
  Homepage: http://e00pg.sourceforge.net
  
  
• shp2svg
  Homepage: http://www.carto.net/papers/svg/utils/shp2svg/
  
  
• GRASS Handbuch
  Homepage: http://grass.itc.it/gdp/handbuch/
  
  
• MIT OrthoServer
  Homepage: http://tull.mit.edu/orthoserver/
  
  
• APR-Parser
  Homepage: http://www.zalf.de/grano/parser.html
  
  
• mapEditor
  Homepage: http://software-dkplan.carlbro.dk/mapEditor/index.html
  
  
  
• Terravision
  Homepage: http://www.tvgeo.com/
  
  
• iGeoPortal
  Homepage: http://deegree.sourceforge.net/src/demos.html#client
  
  
• TerraGear
  Homepage: http://terragear.sourceforge.net/
  
  
• GeoCanvas
  Homepage: http://geocanvas.sourceforge.net/
  
  
• sdts2dem
  Homepage: http://www.cs.arizona.edu/topovista/sdts2dem.html
  
  
• Shuttle Radar Topography Mission (SRTM)
  Homepage: http://www.jpl.nasa.gov/srtm/cbanddataproducts.html
  
  ftp://e0srp01u.ecs.nasa.gov/srtm/version2/ 
  http://www.viewfinderpanoramas.org/dem3.html
  
  
• PyWPS
  Homepage: http://pywps.wald.intevation.org
  
  
• DEM2GeoEG
  Homepage: http://www.ai.sri.com/~reddy/geovrml/dem2geoeg/
  
  
• tsmApi
  Homepage: http://www.tvgeo.com/tsmApi/
  Last update: 2005-11-18 01:53:33
  
  The Tile Set Manager (TSM) Application Programming Interface (API) is an Open Source library of high level C functions for reading, writing, and processing the terrain data used by the TerraVision terrain visualization application.
• HADES-2000
  Homepage: http://www.siliconcavings.org/
  
  
• JGRASS
  Homepage: http://www.jgrass.org
  
  
• CycleAtlas
  Homepage: http://cycleatlas.sourceforge.net/
  
  
• mapnik
  Homepage: http://mapnik.org
  
  
• Appomattox
  Homepage: http://www.appomattox-project.org/
  
  
• gpsd
  Homepage: http://gpsd.berlios.de/
  
  
• RoadMap
  Homepage: http://roadmap.sourceforge.net/
  
  
• Cavor
  Homepage: http://www.cavor.org/
  
  
• Localis
  Homepage: http://localis.org/
  
  
• pgRouting
  Homepage: http://pgrouting.postlbs.org/
  
  
• Chameleon
  Homepage: http://chameleon.maptools.org/
  
  
• zigGIS
  Homepage: http://gforge2.uwc.ac.za/projects/ziggis
  
  
• WikiPedia: GIS
  Homepage: http://en.wikipedia.org/wiki/GIS
  
  
• Xtraceroute
  Homepage: http://www.dtek.chalmers.se/~d3august/xt/
  
  
• Flamingo
  Homepage: http://www.flamingo-mc.org
  
  
• Engauge Digitizer
  Homepage: http://digitizer.sourceforge.net/
  
  
• Fulcrum
  Homepage: http://fulcrum.traversetechnologies.com/
  
  
• gar2rnx
  Homepage: http://artico.lma.fi.upm.es/numerico/miembros/antonio/async/
  
  
• mezoGIS
  Homepage: http://www.mezogis.org/
  
  
• 52North
  Homepage: http://www.52north.org/
  
  
• Xrmap
  Homepage: http://frmas.free.fr/li_1.htm
  
  
• Merkaartor
  Homepage: http://www.irule.be/bvh/c++/merkaartor/
  
  
• DEMViewer
  Homepage: http://www.geogr.uni-jena.de/~p6taug/demviewer/
  
  
• TileCache
  Homepage: http://www.tilecache.org/
  
  
• PDFMap
  Homepage: http://www.librelogiciel.com/software/PDFMap/action_Presentation
  
  
• tgrmap
  Homepage: http://www.cs.arizona.edu/icon/oddsends/tiger/
  
  
• dlgvu
  Homepage: http://www.cs.arizona.edu/icon/oddsends/dlgvu/
  
  
• dlgv32
  Homepage: http://mcmcweb.er.usgs.gov/viewers/
  
  
• GISToolkit
  Homepage: http://gistoolkit.sourceforge.net/
  
  
• Shapely
  Homepage: http://pypi.python.org/pypi/Shapely/
  
  
• monoGIS
  Homepage: http://www.monogis.org/
  
  
• kvwmap
  Homepage: http://kvwmap.sourceforge.net
  
  e data set.
• wxapt
  Homepage: http://5b4az.chronos.org.uk/pages/apt.html
  
  
• AV PostGIS Connection Extension (avpgcon)
  Homepage: http://avpgcon.sourceforge.net
  
  
• PyGpsWeb
  Homepage: http://www.ufoot.org/pygpsweb
  Last update: 2005-11-22 00:37:19
  
  
  
• gmap
  Homepage: http://academy.cas.cz/~gis/
  
  
• OpenEV
  Homepage: http://openev.sourceforge.net/
  
  
• Mapyrus
  Homepage: http://mapyrus.sourceforge.net
  
  
• AiToi
  Homepage: ftp://freegis.org/freegis/misc/
  
  
• NRDB View
  Homepage: http://www.nrdb.co.uk/nrdbview.html
  
  
• Kalypso-Simulation-Platform (Kalypso)
  Homepage: http://www.kalypso-simulation-platform.org/
  
  
• zipdy
  Homepage: http://www.cryptnet.net/fsp/zipdy/
  
  
• TerraView
  Homepage: http://www.dpi.inpe.br/terraview/index.php
  
  
  
• STARS
  Homepage: http://regal.sdsu.edu/index.php/Main/STARS
  
  
• X Amateur Station Tracking and Information Reporting (xastir)
  Homepage: http://www.xastir.org/
  
  
• msCross
  Homepage: http://datacrossing.crs4.it/en_Documentation_mscross.html
  
  
• GPLIGC
  Homepage: http://freshmeat.net/projects/gpligc
  
  
• Grid Analysis and Display System (GrADS)
  Homepage: http://grads.iges.org/grads/
  
  
• MappingWidgets
  Homepage: http://mappingwidgets.sourceforge.net/
  
  
  
• GeoJasper
  Homepage: http://www.dimin.net/software/geojasper/
  
  
• SimpleMapClient
  Homepage: http://glmapclient.sourceforge.net/
  
  
• TF.NET
  Homepage: http://code.google.com/p/tf-net/
  
  
• phpGIS
  Homepage: http://www.jrbtech.com/projects.php/projects/2005/03/30/phpGIS/
  
  
• dxfscope
  Homepage: http://wildspark.com/dxfscope/
  
  
• IVICS
  Homepage: http://www.nsstc.uah.edu/ivics/
  
  
• seagis
  Homepage: http://seagis.sourceforge.net/
  
  
• Population Mapper
  Homepage: http://popmap.sourceforge.net/
  
  
• worldKit
  Homepage: http://brainoff.com/worldkit/
  
  
• inlineWMS
  Homepage: http://sourceforge.net/projects/inlinewms/
  
  
• Therion
  Homepage: http://therion.speleo.sk/
  
  
• osgPlanet
  Homepage: http://www.ossim.org/tiki-read_article.php?articleId=3
  
  
• GeoClue
  Homepage: http://www.freedesktop.org/wiki/Software/GeoClue
  
  
• DC Maintenance Management System (DCMMS)
  Homepage: http://dcmms.sourceforge.net/
  
  
  
• QLandkarte
  Homepage: https://sourceforge.net/projects/qlandkarte/
  
  
• SharpMap
  Homepage: http://www.codeplex.com/Wiki/View.aspx?ProjectName=SharpMap
  
  
• Survex
  Homepage: http://www.survex.com/
  
  
• TerraLib
  Homepage: http://www.terralib.org/
  
  
• GNU GaMa
  Homepage: http://www.gnu.org/software/gama/
  
  

  Rocinante is a GUI for GNU GaMa based on Qt.

• SharpMap
  Homepage: http://sharpmap.iter.dk
  
  
• rwgps
  Homepage: http://5b4az.mattsnetwork.co.uk/pages/misc.html
  
  
• GPStk
  Homepage: http://www.gpstk.org
  
  
• rmap
  Homepage: http://www.reza.net/rmap/
  
  
• pySDE
  Homepage: http://sde.hobu.biz
  
  
• JCT (Java Cartes Thématiques)
  Homepage: http://jct.sourceforge.net/
  
  
• AppForMap
  Homepage: https://sourceforge.net/projects/appformap/
  
  .
• Minerva
  Homepage: http://www.minerva-gis.org/
  
  
• Mobilmaps
  Homepage: http://www.mobilemaps.com/
  
  
• Hobutools
  Homepage: http://hobu.biz/software/hobutools/index_html
  
  
• Hibernate Spatial
  Homepage: http://www.hibernatespatial.org/
  
  
• PloneWorldKit
  Homepage: http://sterngasse.at/ploneworldkit
  

• GeoClass for PHP
  Homepage: http://www.multimediamotz.de/GeoClass/
  
  
• dem3d
  Homepage: http://craterlake.wr.usgs.gov/dem3d.html

ftp://ftpmcmc.er.usgs.gov/release/viewers/dem3d.

ftp://intevation.de/freegis/misc/dem3dsrc.tar.gz.

• NetTopologySuite (NTS)
  Homepage: http://code.google.com/p/nettopologysuite/
  
  
• Kosmo
  Homepage: http://www.saig.es/en/kosmo.php
  
  
• Open 3D GIS
  Homepage: http://www.open3dgis.org
  
  
• exportGge
  Homepage: http://exportgge.sourceforge.net/kml/en
  
  
• SaVi
  Homepage: http://savi.sourceforge.net/
  
  
• MySQL Spatial Extensions
  Homepage: http://www.mysql.org/
  
  
• Debrief
  Homepage: http://www.debrief.info
  
  
• sunclock
  
  
• Le Petit Poucet GPS Software
  Homepage: http://petit-poucet.org/
  
  
• mapjunction
  Homepage: http://www.mapjunction.com/
  
  
• GPSBabel
  Homepage: http://gpsbabel.sourceforge.net/
  
  
• SimpleMapServer
  Homepage: http://glmapserver.sourceforge.net/
  
  
• GeoTypes
  Homepage: http://initd.org/tracker/psycopg/wiki/GeoTypes
  
  
• NavSys
  Homepage: http://www.navsys.org
  
  
• Position
  Homepage: http://www.gnustep.it/enrico/position/
  
  
• dxf2postgis
  Homepage: http://sourceforge.net/projects/dxf2postgis/
  
  
• Saptial Analysis and Modeling Tool (SAMT)
  Homepage: http://www.zalf.de/lsad/persweb/wieland/welt/samt1.html
  
  
• libral
  Homepage: http://sourceforge.net/projects/libral/
  
  
• Viking
  Homepage: http://gpsmaps.org/viking/
  
  
• rez
  Homepage: http://www.ping.com.au/3map/rez/
  
  
• SegyPY
  Homepage: http://segymat.sourceforge.net/segypy/
  
  
• Ncvtk
  Homepage: http://ncvtk.sourceforge.net/
  
  
• 2002 National Transportation Atlas Data
  Homepage: http://www.bts.gov/gis/download_sites/ntad02/newusdownloadform.html
  
  
• MapStorer
  Homepage: http://www.mapstorer.org
  
  
• ircmaker
  Homepage: http://www.df7cb.de/projects/ircmarkers/
  
  
• MapWindow GIS
  Homepage: http://www.mapwindow.com/
  
  
• mdb2shapefile
  Homepage: http://www.webmapit.com.br/enus/download.php?file=3
  
  
• FeatureServer
  Homepage: http://featureserver.org/
  
  
• Wintec Tools
  Homepage: http://www.steffensiebert.de/soft/python/wintec_tools.html
  
  
• OpenGPS
  Homepage: http://www.gfz-potsdam.de/pb1/staff/gbeyerle/opengps/index.html
  
  
• Spherekit
  Homepage: http://www.ncgia.ucsb.edu/pubs/spherekit/
  
  
• gpsmanshp
  Homepage: http://www.ncc.up.pt/gpsmanshp/
  
  
• OpenSourceGPS
  Homepage: http://home.earthlink.net/%7Ecwkelley/ 
  
  
• JVNMobileGIS
  Homepage: http://jvnmobilegis.googlecode.com
  
  
• phpPgGIS
  Homepage: http://sourceforge.net/projects/phppggis/
  
  
• ET-Map
  Homepage: http://www.et-world.de/sedesign/index.php?option=com_content&task=view&id=22&Itemid=39
  
  
• HidroSIG
  Homepage: http://cancerbero.unalmed.edu.co/~hidrosig/ingles/
  
  
• EDBSjavaReader
  Homepage: ftp://intevation.de/freegis/misc/EDBSjavaReader-1.0.0.tar.gz
  
  
• mumil
  Homepage: http://www.triplexware.huckfinn.de/contweber.html
  
  
• GeoVistaStudio
  Homepage: http://www.geovistastudio.psu.edu/jsp/index.jsp
  
  
  
• PostGIS - ArcMap Connector Project (PgArc)
  Homepage: http://pgarc.sourceforge.net/
  
  
• acadmap2pgsql
  Homepage: http://sourceforge.net/projects/acadmap2pgsql
  
  
• myWMS
  Homepage: http://www.bt-gis.de/mywms
  
  
• InterMap
  Homepage: http://sourceforge.net/projects/intermap/
  
  
• Uber-Converter
  Homepage: http://scratchcomputing.com/projects/uber-converter/
  
  
• GeoClass for PHP
  Homepage: http://sourceforge.net/projects/geoclassphp/
  
  
• GeOxygene
  Homepage: http://oxygene-project.sourceforge.net
  
  
• GeoWebCache
  Homepage: http://geowebcache.org
  
  
• R
  Homepage: http://www.r-project.org/
  
  RASS.
• Epigrass
  Homepage: http://www.metamodellers.com/epigrass.html
  
  
• Terraform
  Homepage: http://terraform.sourceforge.net/
  
  
• Free Feature Server (FreeFS)
  Homepage: http://freegis.org/details.de.html?name=Geoserver
  
  
• ka-Map
  Homepage: http://ka-map.maptools.org/
  
  .
• sfcorba2java
  Homepage: http://katla.giub.uni-bonn.de/sfjava/
  
  
• Radar Tools (RAT)
  Homepage: http://www.cv.tu-berlin.de/rat/index.php
  
  
• mapzoom
  Homepage: http://www.cs.rochester.edu/~gildea/Map/
  
  
• StarSpan
  Homepage: http://starspan.casil.ucdavis.edu/
  
  
• FMaps
  Homepage: http://FMaps.sourceforge.net/
  
  
• Ncview
  Homepage: http://meteora.ucsd.edu/~pierce/ncview_home_page.html
  
  
• Hoko
  Homepage: http://hoko.intevation.org/
  
  
• Census 2000 TIGER/Line Data
  Homepage: http://www.esri.com/data/download/census2000_tigerline/index.html
  
  
• GML4J
  Homepage: http://gml4j.sourceforge.net/
  
  
• SimpleMapServer
  Homepage: http://glmapserver.sourceforge.net/
  
  
• FGS (FGS Linux Installer)
  Homepage: http://www.maptools.org/fgs/
  
  
• FGS (Free-Open Source GIS Suite)
  Homepage: http://maxine.harmeny.com/twiki/bin/view/Fgs
  
  
• GeoCon
  Homepage: http://www.mycgiserver.com/~amri/geocon.cocoon.xml
  
  
• 3D-IGC
  Homepage: http://hubble.physik.uni-konstanz.de/jkrueger/software/readme.html#3DIGC
  
  
• Grules
  Homepage: http://grules.sourceforge.net/
  
  
• DSpatial
  Homepage: http://dspatial.sourceforge.net/
  
  
• quickWMS
  Homepage: http://www.inovagis.org/quickwms/
  
  
• sealevel
  Homepage: http://douweosinga.com/projects/sealevel
  
  
• E-FOTO
  Homepage: http://www.efoto.eng.uerj.br/
  
  
• DGPSIP
  Homepage: http://www.wsrcc.com/wolfgang/gps/dgps-ip.html
  
  
• ext_shapelib
  Homepage: http://nona.net/software/ext_shapelib/
  
  
• veloce
  Homepage: ftp://gps.polito.it/lidar/gnu/veloce/
  
  
• WMS Adapter
  Homepage: http://zmapserver.sourceforge.net/wmsadapter/
  
  
• Navlet
  Homepage: http://www.navlet.org/
  
  
• shapetools
  Homepage: http://sourceforge.net/projects/shapetools
  
  
• KLIMB
  Homepage: ftp://klimb:klimb@ip46.softbook.com/klimb.html
  
  
• GeoLocation
  Homepage: http://plone.org/products/geolocation
  
  
• GeoGratis
  Homepage: http://geogratis.cgdi.gc.ca/frames.html
  
  
• vhclmaps
  Homepage: http://www.ivtools.org/vhclmaps/
  
  
• GPSylon
  Homepage: http://gpsmap.sourceforge.net
  
  
• magvar
  Homepage: http://www.best.com/~williams/
  
  
• shptrans
  Homepage: http://gisdeveloper.tripod.com/shptrans.html
  
  
• gpsutil
  Homepage: http://www.cs.uakron.edu/~hennings/gpsutil/
  
  
• WMS.py
  Homepage: http://trac.gispython.org/projects/PCL/log/OWSLib/trunk/owslib/wms.py
  
  
• WMS Mapper
  Homepage: http://wms-map.sourceforge.net/
  
  
• GPL-GPS
  Homepage: http://gps.psas.pdx.edu/
  
  
• NTXShape
  Homepage: http://ntxshape.sourceforge.net/
  
  
• Visual Basic GIS
  Homepage: http://www.visualbasicgis.com/
  
  
• MapLocation
  Homepage: http://plone.org/products/maplocation/
  
  
• GEOTRANS Library
  Homepage: http://ftp.intevation.de/freegis/misc/libgeotrans/
  
  
• CPSGeo
  Homepage: http://www.cps-project.org/sections/projects/cpsgeo_simple_gis_for
  
  
• coord
  Homepage: http://www.mattfoster.clara.co.uk/projects.htm
  
  
• CCM
  Homepage: http://agrienv.jrc.it/activities/catchments/ccm.html
  
  
• MsSqlSpatial
  Homepage: http://www.codeplex.com/Wiki/View.aspx?ProjectName=MsSqlSpatial
  
  
• IvyGIS
  Homepage: http://www.ivygis.org
  
  
• Grid
  Homepage: http://users.tkk.fi/~jolma/pub/
  
  
• OpenSVGMapServer
  Homepage: http://www.carto.net/projects/open_svg_mapserver/
  
  
• cptutils
  Homepage: http://pdfb.wiredworkplace.net/pub/jjg/code/cptutils.html
  
  
• KIDS
  Homepage: http://kids.fao.org
  
  
• Portfolio Explorer
  Homepage: http://www.extendthereach.com/products/OSGeocoder.srct
  
  
• MB-System
  Homepage: http://www.ldeo.columbia.edu/MB-System/
  
  
• DEMTools
  Homepage: http://www.arq.net/~kasten/demtools/
  
  
• Image Georeferencing Tool
  Homepage: http://happysquirrel.com/index.php?feature=georef
  
  
• OrbisGIS
  Homepage: http://orbisgis.cerma.archi.fr
  
  
• GeoKettle
  Homepage: http://geosoa.scg.ulaval.ca/en/index.php?module=pagemaster&PAGE_user_op=view_page&PAGE_id=17
  
  
• OpenGTS
  Homepage: http://www.opengts.org/
  
  
• zRoute
  Homepage: http://sourceforge.net/projects/zroute/
  
  
• Suite INformatica FOrestal (SINFO)
  Homepage: http://sourceforge.net/projects/sinfo
  
  
• PocketGPSLib
  Homepage: http://www.iter.dk/software/PocketGpsLib/
  
  
• Roadster
  Homepage: http://linuxadvocate.org/projects/roadster/
  
  
• NavSys MapEditor
  Homepage: http://www.navsys.org/mapeditor/
  
  
• gpsfeed+
  Homepage: http://sourceforge.net/projects/gpsfeed/
  
  
• WKB4J
  Homepage: http://wkb4j.sourceforge.net/
  
  
• OpenDMTP
  Homepage: http://www.opendmtp.org
  
  
• LX-Viewer
  Homepage: http://lx-viewer.sourceforge.net/
  
  
• PyEPSGLookup
  Homepage: http://mateusz.loskot.net/software/gis/pyepsglookup
  
  
• SVG2MIF
  Homepage: http://www.geotests.net/beta/svg2mif.zip
  
  
• Modeling and Animation Machine and Virtual Rendering System (VRS)
  Homepage: http://www.vrs3d.org/
  
  
• Geostatistical Software Library (GSLIB)
  Homepage: http://www.gslib.com
  
  
• KGIS
  Homepage: http://kgis.sourceforge.net/main.html
  
  
• DXF Import, Manipulation, and Export library (DIME)
  Homepage: http://www.coin3d.org/lib/dime
  
  
• DXF library (dxflib)
  Homepage: http://www.ribbonsoft.com/dxflib.html
  
  
• Python Language Support for ArcView GIS (AVPython)
  Homepage: http://avpython.sourceforge.net/
  
  
• Meteorological Applications (MetApps)
  Homepage: http://unidata.ucar.edu/projects/metapps/index.html
  
  
• InovaGIS Applications
  Homepage: http://www.inovagis.org/freeware/
  
  
• LIMP
  Homepage: http://www.remotesensing.org/docs/limp-ht/
  
  
• Prune
  Homepage: http://activityworkshop.net/software/prune/
  
  
• SVG Toolkit
  Homepage: http://sis.cmis.csiro.au/svg/
  
  
  
• Image Processing Workbench (IPW)
  Homepage: http://www.crseo.ucsb.edu/~ipw2/
  
  
• Community Map Builder (mapbuilder)
  Homepage: http://mapbuilder.sourceforge.net/
  
  
• dbf2info
  Homepage: ftp://freegis.org/freegis/misc/dbf2info.zip
  
  
• GISAR
  Homepage: http://gisar.sourceforge.net/ENG/Index.htm
  
  
• GISAR
  Homepage: http://gisar.sourceforge.net/ENG/Index.htm
  
  
• GeoJazzy WMSTileCache
  Homepage: http://sourceforge.net/projects/geojazzy/ 
  
  
• GeoCouch
  Homepage: http://vmx.cx/cgi-bin/blog/index.cgi/geocouch-geospatial-queries-with-couchdb%3A2008-10-26%3Aen%2CCouchDB%2CPython%2Cgeo
  
  
• Atlas-Geopublishing-Framework 
  Homepage: http://www.geopublishing.org/Geopublisher 
  
  
• AtlasStyler
  Homepage: http://www.geopublishing.org/AtlasStyler
  
  
• Community Positioning System (Coposys)
  Homepage: http://savannah.gnu.org/projects/coposys/
  
  
• Inside Idaho
  Homepage: http://www.insideidaho.org/
  
  
• Xplanet
  Homepage: http://xplanet.sourceforge.net
  
  
• AT Google Maps
  Homepage: http://plone.org/products/atgooglemaps
  
  
• GeoVRML
  Homepage: http://www.geovrml.org/
  
  
• CivicMaps Tile Engine
  Homepage: http://maps.civicactions.net/
  
  
• GeoQO
  Homepage: http://www.geoqo.org/
  
  
• Feral
  Homepage: http://www.stauber.org/introduction.html
  
  
• Java Map Projection Library (javaproj)
  Homepage: http://www.jhlabs.com/java/maps/proj/
  
  
• Image_GIS
  Homepage: http://www.sebastian-bergmann.de/en/image_gis.php
  
  
• OWSLib
  Homepage: http://trac.gispython.org/projects/PCL/wiki/OwsLib
  
  
• GeoJSON Python Library
  Homepage: http://trac.gispython.org/projects/PCL/wiki/GeoJSON
  http://geojson.org

• Thematic Mapping Engine (TME)

• ZMapServer
  Homepage: http://zmapserver.sourceforge.net/
  
  
• zRoute
  Homepage: http://sourceforge.net/projects/zroute/
  
  
• DXFtoShapefile
  Homepage: http://happysquirrel.com/index.php?feature=dxf2shp
  
  
• pyshapelib
  Homepage: http://ftp.intevation.de/users/bh/pyshapelib/
  
  
• PyOGCLib
  Homepage: http://pyogclib.sourceforge.net/
  
  
• cumberland
  Homepage: http://code.google.com/p/cumberland/
  
  
• KStars
  Homepage: http://edu.kde.org/kstars/index.php
  
  
• Whatsit GIS Formats
  Homepage: http://www.wotsit.org/search.asp?s=gis
  
  
• gpx2shp
  Homepage: http://gpx2shp.sourceforge.jp/
  
  
• GPS Console Data Manager (gps-console)
  Homepage: http://gps-console.sourceforge.net/
  
  
• Visible Earth Project
  Homepage: http://visibleearth.nasa.gov/

        Homepage: http://thematicmapping.org/engine/

Source :  http://www.freegis.org