It is one of the best free open source gis software through which you can view, create, edit, analyze, and save gis data. Find free open source arcgis alternative, replacement or equivalent. Grass gis is a free geographic information system gis software used for. Iscgm free gis data is still a source that many of us can use in our maps. Free, secure and fast windows gis software downloads from the largest open source applications and software directory. The copernicus open access hub also stores sentinel1 which is synthetic aperture.
Saga is an abbreviation for system for automated geoscientific analyses. Plus, you can also load gis data files of various formats to this software such as shp, gml, dbf, txt, csv, gdb, and more. Openstreetmap is a map of the world, created by people like you and free to use under an open license. It is a founding member of the open source geospatial foundation osgeo. Compare the best free open source windows gis software at sourceforge. The mapwindow gis project includes a free and open source desktop geographic. Manage, visualize and edit gis data with open source gis software. Oneclick install allows you to view local shapefiles, remote wms services and even directly edit your own spatial database geometries. It comes with a userfriendly interface and supports both vector and raster file types. Since it is an open source gis software, you can write batchshell scripts for automation in its builtin command line interpreter, named saga cmd.
The geographic resources analysis support system grass is a free and open source gis software. Qgis is a free open source gis software for windows. An experimental release can be found in the play store. Listed on the next page are available open source gis based applications you can download written for a variety of platforms and in various. For testing and learning purposes, a sample dataset is available, which contains collections of data from different sources and in different formats. Qgis is a user friendly open source geographic information system gis licensed under the gnu general public license. It is a free and open source gis software for windows. Articles in this section examine how free and open source software is changing the world of geographic and geospatial information science gis and mapping. A free and open source geographic information system. When it comes to automating map production, processing geospatial data, and generating. Open source gis and freeware gis applications gis lounge. To download the latest version of qgis, click here.