Software vendors

• ESRI
  
• Intergraph - Geomedia
  
• Manifold
  
• Mapinfo
  
• Bentley
  
• Cadcorp
  
• Innogistic
  
• GGP Systems
  
• Autodesk
  

Open Source

• Quantum GIS
  
• GRASS
  
• gvSIG
  
• Map Window
  

Contributors

• mhs Homes
  
• Ordnance Survey
  
• Places For People
  
• Bracknell Forest Homes
  

Housing Management Systems

• Orchard
  
• IBS OPENsystems
  
• Northgate
  
• MIS
  
• Aareon
  

Other Useful Sites

• Association for Geographic Information
  
• EDINA
  
• DirectionsMedia
  
• Eurogeographics
  
• EuroGI
  
• Google Mash Ups
  
• Ordnance Survey OpenSpace
  
• Royal Geographical Society
  

Best Practice

• National Land and Property Gazetteer - NLPG
• Local Land and Property Gazetteer - LLPG
• Open Geospatial Consortium – Best practice
• JISC Standards Catalogue
• ISO/TC 211 Geographic Information/Geomatics
• Association for Geographic Information