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Geographic Information System (GIS), Geospatial Data and Remote Sensing Technology
What is GIS? Read a FAQ at GIS Lounge.
Bytes of the Big Apple is a family of software data and geographic base map files for the City of New York. The Department of City Planning offers these products for free download or by a license.
Data.gov increases the ability of the public to easily find, download, and use datasets that are generated and held by the Federal Government. Data.gov provides descriptions of the Federal datasets (metadata), information about how to access the datasets, and tools that leverage government datasets.
Natural Earth is a public domain map dataset available at 1:10m, 1:50m, and 1:110 million scales. Featuring tightly integrated vector and raster data, with Natural Earth you can make a variety of visually pleasing, well-crafted maps with cartography or GIS software.
The Clearinghouse, operated by the New York State Office of Cyber Security, was established to disseminate information about New York's Statewide GIS Coordination Program and to provide access to the New York State GIS Data and Metadata Repository.
This database represents the historic, current and future estimates and projections with number of inhabitants for the world's largest urban areas from 1950-2050. The data covers cities and other urban areas with more than 750,000 people.
CUGIR is an active online repository in the National Spatial Data Clearinghouse program. CUGIR provides geospatial data and metadata for New York State, with special emphasis on those natural features relevant to agriculture, ecology, natural resources, and human-environment interactions.
The FGDC coordinates the sharing of geographic data, maps, and online services through an online portal, geodata.gov, that searches metadata held within the NSDI Clearinghouse Network.
With a free ArcGIS Online public account you can create, store, and manage maps, apps, and data, and share them with others. You also get access to maps and apps shared by Esri and GIS users around the world.
Quantum GIS (QGIS) is a user friendly Open Source Geographic Information System (GIS) licensed under the GNU General Public License. QGIS is an official project of the Open Source Geospatial Foundation (OSGeo).
Make maps from a list of multiple locations, use addresses, postcodes, or coordinates. Free hosting for your own interactive map locator.
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