Top 6 Free and Open-Source GIS Software

1

GRASS GIS

The free, open-source, and cross-platform compatible solution is the best GIS software solution that comes with the most enhanced features. GRASS was developed by the US government and is well-known by companies across the globe. The raster-based GIS software provides users advanced features such as an image processing system, vector GIS, graphics production system, spatial modeling system, and a data management system.

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2

OpenJUMP GIS

OpenJump GIS software is another free, open-source, and cross-platform compatible GIS software solution. The intuitive and simple solution provides its users many features such as the capability to read and write simple GML files, shapefiles, numerous other vector formats that are available through an enhanced list of plugins, the ability to write to PostGIS, and read from numerous spatial databases, provide support for images, WMS and WFS services, etc.

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3

gvSIG

One of the best GIS software that is adopted by a number of companies and enterprises, GIS software is a free, open-source, and cross-platform compatible solution. The software can be used online as well as on the desktop application. The gvSIG offers numerous implementation services options to its users such as users can get their hands on the SaaS where the product is hosted, maintained, and administered on the user’s systems, the on-premise solution, and the on-premise plus solution where the maintenance and management services are provided on the client-server.

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4

QGIS

QGIS is a cross-platform compatible GIS software solution that comes under the GNU license. The open-source GIS software solution is adopted by many organizations around the globe and is one of the most popular GIS solutions. The software offers many features such as the ability to view data, explore data and compose maps, create, modify, manage, and export data, the capability to analyze data, publish maps on the internet, allows users to extend QGIS functionality via a list of vast plugins.

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5

dpi.inpe.br Spring GIS

SPRING is a free, open-source, and cross-platform compatible GIS software solution. The Remote Sensing Image Processing system supports the object-oriented data model that enables the SPRING GIS software to integrate vector and raster data representations capabilities from the enhanced environment. The software was developed by Brazil’s National Institute for Space Research and is renowned for enhancing and improving socioeconomic, environmental, and urban planning applications processes.

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6

uDig

uDig, an acronym for User-friendly, Desktop application, Internet-based, and GIS (uDig) software solution is another free, open-source, and cross-platform compatible GIS software. The GIS software was developed to utilize and comply with OGC’s OpenGIS standards like WFS, WMS, etc. The software is intuitive and provides a single-click installation process. With uDig, users are able to seamlessly view local shapefiles, directly edit spatial database geometries, access remote WMS services, and do a lot more.

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