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QGIS freeware


Version: 3.18.3 | Size: 391.00 MB | Filename: QGIS-OSGeo4W-3.18.3-1-Setup-x86_64.exe
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QGIS is a user-friendly Geographic Information System (GIS) distributed under the GNU General Public License. It is an official project of the Open Source Geospatial Foundation (OSGeo). It is compatible with Linux, Unix, Mac OS X, Windows and Android and includes many vector, raster, database and feature formats.

QGIS is a project focused on volunteering. We accept contributions in the form of code participation, return or bug fixes, contributions to documentation, outreach and support to other users on our mailing lists and on gis.stackexchange.com. If you want to actively support the project, you can find more information in the development menu and on the QGIS Wiki.

The QGIS project is always looking for (user) stories to share case studies on its website. We solicit the testimony of institutions, universities, local authorities and companies recounting their QGIS experience to solve their problems on a daily basis. Please contact the QGIS community if you would like to share your experience.


The stories should follow a simple structure of a reasonable size of about 800 words, including one or two screenshots.


A short introduction with the context of the society / institute / local authority / university (approximate length of 200 words). Project or application chapter detailing the use of QGIS (approximately 400 words in length plus screenshots). Conclusion showing benefits and positive feedback from QGIS usage (approximately 200 words in length).


Manages the spatial extension of PostgreSQL, PostGIS.

Supports a large number of vector data formats (Shapefile, ArcInfo covers, Mapinfo, GRASS GIS, etc.)

Also supports a large number of matrix layer formats (GRASS GIS, GeoTIFF, TIFF, JPG, etc.)

One of the features of QGIS is to use it as the graphical interface of the GRASS SIG. It is thus possible to use all the analysis power of this software in a more user-friendly work environment. The GRASS features are optional, and pass through an extension module (plug-in).

In addition, QGIS has - by default - many modules, including:

A GPS data read / write module, based on the GPSBabel program.

A georeferencing module, which allows to "stall" an image (aerial view, typically) in a terrestrial reference.

In addition, since version 0.9, it has a real Python-based scripting engine. This makes it possible to create modules more simply than in C ++, but also to build real applications. This possibility goes through PyQt, the bridge between Python and the Qt4 graphics library.

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User Rating: 4.5 (143 votes)

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File size:
391.00 MB

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Windows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64, Windows 8, Windows 8 x64, Windows 10, Windows 10 x64

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Last versions of QGIS
Version Change log
QGIS 3.18.3 May 18, 2021
QGIS 3.18.2 Apr 19, 2021
QGIS 3.18.1 Mar 22, 2021 Following on from the feature-filled releases of QGIS 3.14 and QGIS 3.16, QGIS 3.18 introduces a host of enhancements and new features, along with a long-awaited feature - Native Point Cloud support in QGIS! Thanks to the efforts of Lutra, North Road, and Hobu, QGIS is now able to import and render point cloud data in various formats by leveraging the Open Source PDAL library. This functionality has been introduced due to the success of a crowd-funding campaign and would not have been possible without the support of the QGIS community and contributors. Thank you to all those involved in realizing this incredible milestone!
As QGIS Desktop 3.18 bids farewell to the DB2 database provider, it introduces support for users of the SAP HANA database system.
The QGIS ecosystem has also seen some exciting changes in the form of the QGIS HUB which is an extension of the plugin site which now supports the distribution of community-developed styles, projects, and even processing models.
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