QGIS.

Powerful open-source GIS for editing, analysing and publishing spatial data

Facts

52°North
German research institute that develops open-source geospatial software
DE · open-source
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Camptocamp
Swiss company specialised in open-source GIS and geospatial web applications
CH · open-source
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con terra
German company specialised in spatial data infrastructure and GIS consulting
DE · commercial
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GeoServer
Open-source server for sharing geospatial data via OGC standards such as WMS and WFS
IT · open-source
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GRASS GIS
Open-source GIS for advanced raster, vector and spatial analyses
IT · open-source
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Hexagon Geospatial
Swedish company with powerful geospatial software for remote sensing and map analysis
SE · commercial
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lat/lon
German company that develops the deegree open-source web services for INSPIRE directives
DE · open-source
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OpenLayers
Open-source JavaScript library for interactive maps in the web browser
DE · open-source
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