A fully featured, user friendly, open source Geographic Information System (GIS) with similar power to ArcGIS and MapInfo.




The best free Map alternative to Global Mapper is QGIS, which is also Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Global Mapper and seven of them are free Map Services so hopefully you can find a suitable replacement. Other interesting free Map Service alternatives to Global Mapper are Maptitude, GRASS GIS, uDig and MapLarge.
A fully featured, user friendly, open source Geographic Information System (GIS) with similar power to ArcGIS and MapInfo.




Business mapping software (geographic information system) that delivers affordable, easy-to-use, professional mapping tools for mapping in these sectors: franchising, health care, business, territories, site selection, sales, marketing, banking, more.




GRASS GIS (Geographic Resources Analysis Support System) is an open source, free software (FOSS) Geographical Information System (GIS) with raster, topological, vector, image processing, and visualization functionality.


uDig is a GIS software program produced by a community led by Canadian-based consulting company Refractions Research. It is based on the Eclipse platform and features full layered open source GIS. It is written in Java and released under GNU Lesser General Public License.


Beautiful, User Friendly online mapping software that scales to big data.
The MapLarge API enables user-driven, low latency, interactive visual exploration and analysis of very large geospatial and non-geospatial data collections to recognize patterns and identify anomalies. Use.



GeoSheets is a free add-on for Google Spreadsheets that makes it simple to do lightweight GIS tasks like geocoding, address normalization, distance calculations and creating customized and embeddable maps.



