Carlson x 5  Golden Software, Inc. x 4  RockWare x 3  Open Source Geospatial Foundation (OSGeo) x 2  GGU x 1  Geologismiki x 1  Synergy Software, Inc. x 1  Keynetix Ltd x 1  ESRI x 1  Bentley x 1  Geosoft x 1  SolidFace x 1  Geomorphometry & Hydrogeomatics Research Group x 1  SAGA User Group Association x 1  MapWindow.org x 1  52°North Initiative for Geospatial Open Source Software GmbH x 1  OpenJUMP x 1  OrbisGIS x 1  LandWorks Inc. x 1