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2. List of free geology software - Wikipedia

   en.wikipedia.org/wiki/List_of_free_geology_software

   This is a list of free and open-source software for geological data handling and interpretation. The list is split into broad categories, depending on the intended use of the software and its scope of functionality. Notice that 'free and open-source' requires that the source code is available and users are given a free software license.

3. List of free and open-source software packages - Wikipedia

   en.wikipedia.org/wiki/List_of_free_and_open...

   However, nearly all software meeting the Free Software Definition also meets the Open Source Definition and vice versa. A small fraction of the software that meets either definition is listed here. Some of the open-source applications are also the basis of commercial products, shown in the List of commercial open-source applications and services.

4. OpenStreetMap - Wikipedia

   en.wikipedia.org/wiki/OpenStreetMap

   OpenStreetMap is freely licensed under the Open Database License and is commonly used to make electronic maps, inform turn-by-turn navigation, and assist in humanitarian aid and data visualisation. OpenStreetMap uses its own topology [ clarification needed ] to store geographical features which can then be exported into other GIS file formats .

5. GeoPackage - Wikipedia

   en.wikipedia.org/wiki/GeoPackage

   GeoPackage (GPKG) is an open, non-proprietary, platform-independent and standards-based data format for geographic information systems built as a set of conventions over a SQLite database. Defined by the Open Geospatial Consortium (OGC) [ 2 ] with the backing of the US military [ 3 ] and published in 2014, GeoPackage has seen widespread support ...

6. TopoQuest - Wikipedia

   en.wikipedia.org/wiki/TopoQuest

   TopoQuest is a free web mapping service built on open source software that provides internet-based topographic map for most of the United States. The site is one of three internet services used by Wikipedia for providing topographic maps.

7. Geographic information system software - Wikipedia

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

   FalconView – A mapping system created by the Georgia Tech Research Institute for Windows. A free, open source version is available. Kalypso – Uses Java and GML3. Focuses mainly on numerical simulations in water management. TerraView – Handles vector and raster data stored in a relational or geo-relational database, i.e. a frontend for ...

8. GDAL - Wikipedia

   en.wikipedia.org/wiki/GDAL

   The Geospatial Data Abstraction Library (GDAL) is a computer software library for reading and writing raster and vector geospatial data formats (e.g. shapefile), and is released under the permissive X/MIT style free software license by the Open Source Geospatial Foundation.

9. Comparison of free off-line satellite navigation software

   en.wikipedia.org/wiki/Comparison_of_free_off...

   However, in many cases, it is also that which makes the program free (and sometimes open source [1]), avoid the need of an Internet connection, [2] [3] [4] and make it very lightweight (allowing use on small portable devices, including smartphones). Very basic programs like this may not be suitable for road navigation in cars, but serve their ...