Association of American Geographers (AAG)

http://www.aag.org/

Association of American Geographers (AAG), Spatial Analysis Special Interest Group

http://www.fsu.edu/~geog/sam/

Association of American Geographers (AAG), Geographic Information Systems and Science Special Interest Group

http://www.cas.sc.edu/gis/aaggis

Association for Geographic Information (AGI)

http://www.agi.org.uk/

Birkbeck College, University of London (GIS online Master’s programme):

http://www.bbk.ac.uk/gisconline/

Centre for Advanced Spatial Analysis (CASA):

http://www.casa.ucl.ac.uk

Centre for Spatially Integrated Social Science (CSISS):

http://www.csiss.org/

Centre for Computational Geography:

http://www.ccg.leeds.ac.uk/

European Commission Joint Research Centre (CEC/JRC) – a web forum for Geostatistics and Spatial Statistics supported by the European Commission:

http://www.ai-geostats.org

EURO Working Group on Locational Analysis:

http://www.vub.ac.be/EWGLA/homepage.htm

Free GIS Organisation – portal and mailing list:

http://www.freegis.org/

Geoscience Australia:

http://www.ga.gov.au/

Geospatial Information and Technology Association (GITA):

http://www.gita.org/

GIS.COM – geospatial portal sponsored by ESRI:

http://www.gis.com

International Association of Crime Analysts (software list):

http://www.iaca.net/Software.asp

International Association for Mathematical Geology (IAMG)

http://www.iamg.org/

Market Research Society, Geodemographics Knowledgebase:

http://geodemographics.org.uk

NCGIA Core curriculum:

http://www.geog.ubc.ca/courses/klink/gis.notes/ncgia/toc.html

Open Geospatial Consortium (OGC):

http://www.opengeospatial.org

Open Source Technology Group (OSTG),

Sourceforge:

http://sourceforge.net

LP-solve website managed at Sourceforge:

http://lpsolve.sourceforge.net/5.5/

Optimisation compendium and best known solutions:

http://www.nada.kth.se/~viggo/problemlist/

Optimization Online:

www.optimization-online.org

Royal Geographical Society/Institute of British Geographers: GIS in Teaching

http://www.rgs.org/OurWork/Schools/Teachers/CurriculumDevelopments/GIS/

Spatial Analysis Laboratory, University of Thessaly, Greece:

http://www.prd.uth.gr/res_labs/spatial_analysis/

SPLINT: Spatial Literacy in Teaching

http://www.spatial-literacy.org

UK Census Dissemination Unit (CDU):

http://census.ac.uk/cdu/

UK Census Output area construction:

http://www.geog.soton.ac.uk/research/oa2001/

GB Ordnance Survey:

http://www.ordnancesurvey.co.uk/

University Consortium for Geographic Information Science (UCGIS):

http://www.ucgis.org

US National Institute of Justice (crime analysis software):

http://www.ojp.usdoj.gov/nij/maps/software.html

USGS:

http://www.usgs.gov/

USGS Spatial Data Transfer Standard:

http://mcmcweb.er.usgs.gov/sdts/

US National Research Council of the National Academies

http://www.nationalacademies.org/

US National Research Council of the National Academies: Geographical Sciences Committee

http://dels.nas.edu/besr/gsc.shtml

US National Research Council of the National Academies: Mapping Science Committee

http://dels.nas.edu/besr/msc.shtml

The Wildlife Society, GIS working Group:

http://www.wildlife.org/wg/gis/