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shapelib.maptools.org – Free c library for reading/writing shapefiles; Python Shapefile Library – Open Source (MIT License) Python library for reading/writing shapefiles; Java Shapefile and Dbase Libraries – Open Source (Apache License) Java libraries for reading/writing shapefiles and the associated dBase files (libraries are part of the ...
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.
System for Automated Geoscientific Analyses (SAGA GIS) is a geographic information system (GIS) computer program, used to edit spatial data.It is free and open-source software, developed originally by a small team at the Department of Physical Geography, University of Göttingen, Germany, and is now being maintained and extended by an international developer community.
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. Its name comes from an abbreviation of its previous name, Quantum GIS.
Free software portal; The tidyverse is a collection of open source packages for the R programming language introduced by Hadley Wickham [1] and his team that "share an underlying design philosophy, grammar, and data structures" of tidy data. [2]
Thematic mapping. Creates image pictures from shapefiles and creates Google Maps websites with the data linked to the shapefile - Freeware: QGIS: yes Linux, MAC OS, Windows: QGIS Development Team qgis.org: Visualization Easy to use, ability to expand functionality with Python plugins. Geo-processing functions included. C++ GPL: GRASS: yes
The GNU Data Language (GDL) is a free alternative to IDL (Interactive Data Language), [2] [3] [4] achieving full compatibility with IDL 7 and partial compatibility with IDL 8. [5] Together with its library routines, GDL is developed to serve as a tool for data analysis and visualization in such disciplines as astronomy, [ 6 ] geosciences, and ...
The projection information contained in the .prj file is critical in order to understand the data contained in the .shp file correctly. Because shapefiles are widely used they can be combined with other geodata and used inside GIS (Geographic Information Systems), such as the open source QGIS application.