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.

Type to find tags:
× 10090
a user-friendly, cross-platform GIS application licensed under the GNU General Public License.
× 9316
an Esri product from the ArcGIS Platform. This tag should be used to distinguish issues with it from those of ArcGIS for Server, ArcGIS for Mobile, ArcGIS Online, etc
× 4886
an open source interpreted programming language used in many GIS programs.
× 3501
A site-package created by Esri to expose many ArcObjects to Python.
× 3363
an extension for the PostgreSQL object-relational database that adds support for geographic objects.
× 3285
when ArcGIS 10.0 is the version you are using from the ArcGIS platform.
× 3057
a JavaScript library for creating dynamic map widgets for web sites.
× 2916
a data format consisting of regular grids of values, usually stored in an image-like format.
× 2786
when ArcGIS 10.1 is the version you are using from the ArcGIS platform.
× 2453
an open source software server written in Java that allows users to share and edit geospatial data.
× 2364
the main application of ArcGIS for Desktop and the tag for that (arcgis-desktop) should normally be used in preference
× 1994
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.
× 1891
an Esri product from the ArcGIS Platform which is used "to create, manage, and distribute GIS services over the Web to support desktop, mobile and Web mapping applications."
× 1889
when ArcGIS 10.2 is the version you are using from the ArcGIS platform.
× 1794
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.
× 1602
GDAL (Geospatial Data Abstraction Library) is an open source translator library & set of command-line utilities for processing raster spatial data formats. As a library, it presents a single abstract …
× 1451
an open source object-relational database system.
× 1349
a prototype-based, object-oriented scripting language that is dynamic, weakly typed and has first-class functions.
× 1271
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 shorted to OSM.
× 1237
a web mapping API from Esri.
× 1203
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.
× 1187
any method of representing the surface of a sphere or other three-dimensional body on a plane
× 1074
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.
× 986
An application of ArcGIS for Desktop that is used to create, edit and manage models within its Geoprocessing Framework
× 975
Statistical computing language and software environment.
× 973
GRASS GIS (Geographic Resources Analysis Support System) is a free, open source geographical information system (GIS) capable of handling raster, topological vector, image processing, and graphic data…
× 921
An Open-Source JavaScript Library for Mobile-Friendly Interactive Maps
× 914
a .NET programming language.
× 911
Python bindings for QGIS.
× 893
use for questions seeking data that may include commercial/paid solutions - use open-data if it must be open/free
× 874
a standard protocol for serving georeferenced map images over the Internet
× 868
a web mapping service application and technology provided by Google free (for non-commercial use),
× 858
Esri's GIS platform name. DO NOT USE this tag except for questions concerning the ArcGIS platform AS A WHOLE. Product tags (arcgis-desktop, arcgis-server, arcgis-online, etc) combined with …
× 834
a GIS operation used to manipulate GIS data. If you are performing geoprocessing using ArcGIS then the tag Geoprocessing-framework is specific to that software and should be used ins…
× 828
for questions about the ArcSDE (Spatial Database Engine) component of Esri's ArcGIS for Server that is one way to enable access to spatial data stored in a Relational Database Management …
× 794
Software plugins that add functionality to the QGIS package