#  Free or Open Source 

 



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Here is a list of free or open source software and online services used at Harvard. Please [contact us](/contactus) if you have additional sources.

[Batch Distance Calculation using Google Distance Matrix API](/batch-distance-calculation-using-google-distance-matrix-api)

[Batch Geocoder](https://batchgeo.com/)

[CGA GitHub Page](https://github.com/cga-harvard)

[Esri Maps for MS Office](/esri-maps-ms-office)

[Export to KML - Free ArcGIS Extensions](https://www.arcgis.com/home/item.html?id=e8e62bf409ae4bc997632c654382de04)

[GeoDa ](https://geodacenter.github.io/)

[Geographic Position Finder](http://maps.cga.harvard.edu/xy_from_google_browse/)

[Get X, Y from Google Maps](http://maps.cga.harvard.edu/xy_from_google_query/)

[Google Earth](https://www.google.com/earth/)

[Google Earth Pro](https://www.google.com/earth/desktop/)

[GRASS](http://grass.osgeo.org/)

[Great Circle Distance Batch Calculator](/great-circle-distance-batch-calculator)

[History of Open Source Tools](https://makepath.com/history-of-open-source-gis/) by [makepath](https://makepath.com/)

[MapWindow ](https://www.mapwindow.org/)

[Mecklenburg Geospatial Portal](https://github.com/tobinbradley/Mecklenburg-County-GeoPortal)

[Open Source 3-D Visualization Tools](/open-source-3-d-visualization-tools-0)

[Point Locate Tool](/point-locate-tool)

[QGIS](/qgis)

[R Spatial](https://www.r-project.org/)

[SAS/GIS](https://www.sas.com/en_us/software/bridge-for-esri.html)

[Time Snapshot Application](/time-snapshot-application)

[Tracts to Text](/tracts-text)

[WorldMap Platform](https://worldmap.maps.arcgis.com)

[ZGrid ArctoolBox](/zgrid-arctoolbox)



 



 

 See also:- [ Services ](/page-type/services)