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2. QGIS - Wikipedia

   en.wikipedia.org/wiki/QGIS

   QGIS is a geographic information system (GIS) software that is free and open-source. [2] QGIS supports Windows, macOS, and Linux. [3] It supports viewing, editing, printing, and analysis of geospatial data in a range of data formats. QGIS was previously also known as Quantum GIS.

3. List of spatial analysis software - Wikipedia

   en.wikipedia.org/wiki/List_of_spatial_analysis...

   Library of algorithms to aggregate areas into regions, where each region is geographically connected, while optimizing a predefined objective function. Python. BSD license. R -Analysis of Spatial Data. yes. Linux, MAC OS, Windows. Roger Bivand (maintainer) CRAN site for Analysis of Spatial Data, R-Forge site.

4. Software map - Wikipedia

   en.wikipedia.org/wiki/Software_map

   In particular, software maps are not bound to a specific programming language, modeling language, or software development process model. Software maps use the hierarchy of the software implementation artifacts such as source code files as a base to build a tree mapping, i.e., a rectangular area that represents the whole hierarchy, subdividing ...

5. Geographic information system software - Wikipedia

   en.wikipedia.org/wiki/Geographic_information...

   A GIS software program is a computer program to support the use of a geographic information system, providing the ability to create, store, manage, query, analyze, and visualize geographic data, that is, data representing phenomena for which location is important. [1] [2] [3] The GIS software industry encompasses a broad range of commercial and ...

6. History of free and open-source software - Wikipedia

   en.wikipedia.org/wiki/History_of_free_and_open...

   In the 1950s and 1960s, computer operating software and compilers were delivered as a part of hardware purchases without separate fees. At the time, source code, the human-readable form of software, was generally distributed with the software providing the ability to fix bugs or add new functions. [1] Universities were early adopters of ...

7. OpenStreetMap - Wikipedia

   en.wikipedia.org/wiki/OpenStreetMap

   OpenStreetMap ( OSM) is a free, open geographic database updated and maintained by a community of volunteers via open collaboration. Contributors collect data from surveys, trace from aerial imagery and also import from other freely licensed geodata sources. OpenStreetMap is freely licensed under the Open Database License and as a result ...