A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

a cross-platform GIS application licensed under the GNU General Public License.
31504 questions
when ArcGIS Desktop is the product and architecture that you are using from the ArcGIS platform.
19620 questions
an open source interpreted programming language used in many GIS programs.
9657 questions
A site-package created by Esri to expose ArcGIS Desktop (ArcMap and ArcGIS Pro) geoprocessing, mapping, etc, to Python.
an extension for the PostgreSQL object-relational database that adds support for geographic objects.
a data format consisting of regular grids of values, usually stored in an image-like format.
A reference framework consisting of a set of points, lines, and/or surfaces, and a set of rules, used to define the positions of points in space in either two or three dimensions. This tag also refers…
6802 questions
the main application of ArcGIS for Desktop and the tag for that (arcgis-desktop) should normally be used in preference
6267 questions
Python bindings for QGIS.
an open source software server written in Java that allows users to share and edit Geospatial data.
GDAL (Geospatial Data Abstraction Library) is an open source translator library for raster and vector geospatial data formats.
A vector data storage format for storing the location, shape, and attributes of geographic features. Often referred to as 'an ESRI shapefile', as ESRI developed it.
Statistical computing language and software environment.
when ArcGIS 10.0 is the version you are using from the ArcGIS platform.
3583 questions
an open source object-relational database system.
An Open-Source JavaScript Library for Mobile-Friendly Interactive Maps
On a map, a closed shape defined by a connected sequence of x,y coordinate pairs, where the first and last coordinate pair are the same and all other pairs are unique.
for questions specific to the 3.x series of QGIS.
when you are using version 2.x of the OpenLayers JavaScript client toolkit.
3300 questions
a prototype-based, object-oriented scripting language that is dynamic, weakly typed and has first-class functions.
when ArcGIS 10.1 is the version you are using from the ArcGIS platform.
3090 questions
using of the OpenLayers JavaScript client toolkit is 3 or later
Google's cloud computing platform for geospatial data & analysis at earthengine.google.com.
when ArcGIS 10.2 is the version you are using from the ArcGIS platform.
2957 questions
a collaborative project to create a free editable map of the world. The data is free, and free of legal and technical restrictions. OpenStreetMap is often shortened to OSM.
when ArcGIS for Server is the product you are using from the ArcGIS platform.
Software plugins that add functionality to the QGIS package
a set of COM-based APIs from ESRI Inc. that are used in several of their products including ArcGIS Desktop, ArcGIS Engine and ArcGIS Server.
2438 questions
a geospatial data interchange format based on JavaScript Object Notation (JSON)
An application of ArcGIS Pro and also of ArcGIS Desktop 10.x that is used to create, edit and manage models within its Geoprocessing Framework
GRASS GIS (Geographic Resources Analysis Support System) is a free, open source geographical information system (GIS) specialized in handling raster, topological vector, image processing, and graphic …
For questions about ArcGIS API for JavaScript 2.x and 3.x. For 4.x use arcgis-javascript-api-4 instead
1989 questions
a standard protocol for serving georeferenced map images over the Internet
allows you to perform calculations on the basis of existing attribute values or defined functions in QGIS, ArcGIS, etc.
Rendering values from attribute tables as text on maps near their feature. For questions about legend labels use the [legend] tag instead.
A geometric element defined by a pair of x,y coordinates.
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