GIS

The GIS section of Open Source Internet provides the best free and open source alternatives for Geographic Information Systems software. This includes several open source alternatives to Esri ArcGIS.

Quantum GIS

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Rating: 5.0/5 (1 vote cast)

GIS - Quantum GISVisit Site: Quantum GIS

Cost: Free

Comments: Free and open source GIS Software.

Description: Quantum GIS (QGIS) is a user friendly Open Source Geographic Information System (GIS) licensed under the GNU General Public License. QGIS is an official project of the Open Source Geospatial Foundation (OSGeo).

GRASS GIS

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GIS - GRASS GISVisit Site: GRASS GIS

Cost: Free

Comments: Free and open source GIS software.

Description: GRASS GIS, commonly referred to as GRASS (Geographic Resources Analysis Support System), is a free Geographic Information System (GIS) software used for geospatial data management and analysis, image processing, graphics/maps production, spatial modeling, and visualization.

Google Earth

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Rating: 5.0/5 (1 vote cast)

GIS - Google EarthVisit Site: Google Earth

Cost: Free

Comments: Free GIS software from Google.

Description: Google Earth is fully-featured for desktop users with three different versions: Google Earth, Google Earth Pro and Google Earth Enterprise. Use the Google Earth plug-in to enjoy 3D views of the globe on sites across the web or try Earth view in Google Maps. Explore the world from the palm of your hand, at home or on the go. Available for Android and iOS devices.

TNTmips

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Rating: 4.0/5 (1 vote cast)

GIS - TNTmipsVisit Site: TNTmips

Cost: Free (lite)

Comments: Free and premium versions available.

Description: TNTmips Free is a no cost installation of TNTmips designed for students and professionals who wish to learn about geospatial analysis. TNTmips Free is not a demo, but a large, full-featured geospatial analysis software package.

FalconView

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Rating: 4.0/5 (1 vote cast)

GIS - FalconViewVisit Site: FalconView

Cost: Free

Comments: Free and open source GIS software.

Description: FalconView is a PC based Mapping Application developed by the Georgia Tech Research Institute for the Department of Defense.

GPlates

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Earth Sciences - GPlatesVisit Site: GPlates

Cost: Free

Comments: Free and open source plate-tectonics visualization software.

Description: GPlates is desktop software for the interactive visualisation of plate-tectonics. GPlates offers a novel combination of interactive plate-tectonic reconstructions, geographic information system (GIS) functionality and raster data visualisation.

SAGA

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Rating: 5.0/5 (1 vote cast)

Earth Sciences - SAGAVisit Site: SAGA

Cost: Free

Comments: Free and open source geoscientific analysis software.

Description: SAGA – short hand for “System for Automated Geoscientific Analyses” – is a free, hybrid, cross-platform GIS software. The heart of SAGA is it’s C++ and thus object oriented Application Programming Interface (API), providing data object definitions and computational methods for raster, vector and tabular data.

OpenMap

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Rating: 4.5/5 (2 votes cast)

GIS - OpenMapVisit Site: OpenMap

Cost: Free

Comments: Open source GIS software.

Description: BBN Technologies’ OpenMap TM package is an Open Source JavaBeans TM based programmer’s toolkit. Using OpenMap, you can quickly build applications and applets that access data from legacy databases and applications. OpenMap provides the means to allow users to see and manipulate geospatial information.

OpenEV

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GIS - OpenEVVisit Site: OpenEV

Cost: Free

Comments: Open source GIS software.

Description: OpenEV is a software library and application for viewing and analysing raster and vector geospatial data.