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.

QGIS is a cross-platform GIS application licensed under the GNU General Public License.
39767 questions
when ArcGIS Desktop is the product you are using but also tag for the application (ArcGIS Pro or ArcMap) that you are using.
20917 questions
Python is an open source interpreted programming language used in many GIS programs.
11844 questions
A site-package created by Esri to expose ArcGIS Desktop (ArcMap and ArcGIS Pro) geoprocessing, mapping, etc, to Python.
10500 questions
Raster is a data format consisting of regular grids of values, usually stored in an image-like format.
PostGIS is an extension for the PostgreSQL object-relational database that adds support for geographic objects.
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…
ArcMap is the former flagship application of ArcGIS Desktop and the tag for that (arcgis-desktop) should also be added for any questions about its GUI
Python bindings for QGIS.
GDAL (Geospatial Data Abstraction Library) is an open source translator library for raster and vector geospatial data formats.
GeoServer is an open source software server written in Java that allows users to share and edit Geospatial data.
Statistical computing language and software environment.
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.
Google's cloud computing platform for geospatial data & analysis at earthengine.google.com.
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.
PostgreSQL is an open source object-relational database system.
An Open-Source JavaScript Library for Mobile-Friendly Interactive Maps
Use when the version you are using of the OpenLayers JavaScript client toolkit is 3 or later
Use when your question is about one of the versions of the ArcGIS Pro application of ArcGIS Desktop
when ArcGIS 10.0 is the version you are using from the ArcGIS platform.
3568 questions
JavaScript is a prototype-based, object-oriented scripting language that is dynamic, weakly typed and has first-class functions.
when you are using the DEPRECATED version 2.x of the OpenLayers JavaScript client toolkit.
3295 questions
OpenStreetMap is 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 10.1 is the version you are using from the ArcGIS platform.
3079 questions
when ArcGIS 10.2 is the version you are using from the ArcGIS platform.
2959 questions
Software plugins that add functionality to the QGIS package
when ArcGIS for Server is the product you are using from the ArcGIS platform.
GeoJSON is a geospatial data interchange format based on JavaScript Object Notation (JSON)
ArcObjects is 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.
2471 questions
allows you to perform calculations on the basis of existing attribute values or defined functions in QGIS, ArcGIS, etc.
A geometric element defined by a pair of x,y coordinates.
A Web Map Service (WMS) is a standard protocol for serving georeferenced map images over the Internet
Rendering values from attribute tables as text on maps near their feature. For questions about legend labels use the [legend] tag instead.
The ArcGIS Maps SDK for JavaScript was formerly known as the ArcGIS API for JavaScript
2263 questions
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 …
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