Free GIS Tools – Free Data Viewers

Free data viewers for a variety of GIS formats. These viewers allow you to display geographic data as well as perform some basic GIS functions.

The free GIS application offered by ESRI products. A lighter version of ArcView this application allows basic mapping and spatial querying.

ArcReader is a free, easy-to-use mapping application that allows users to view, explore, and print maps.

Christine GIS
Christine GIS system is free GIS software allows you viewing and spatial querying vector and raster data, creating and editing tabular data, connect DBMS by ODBC, creating applications by integrated script language.

GeoGenesis© LE
Using GeoGenesis© LE users can quickly view single or multi-band satellite and aerial imagery with simple band selection menus, display both natural color and false color and overlay geospatial vector data onto underlying imagery and elevation data. In addition to rapid panning and zooming capability, GeoGenesis© LE provides the facility to convert and save imagery from NITF format to GeoTIFF while maintaining the important registration information such as RPC data forcommercial satellite imagery.

Geomatica Freeviewer
Geomatica Freeview is a standalone dataviewer that allows browsing of a variety of vector and raster based data including satellite imagery. You can also access attribute data within this viewer.

Geospatial Explorer
Free download of this data viewer by Cyze & Associates. This viewer was especially created for environmental scientists, geologists and engineers.

Natural Resources Database
The Natural Resources Database (NRDB) is a GIS-based tool for developing and distributing environmental databases. Data may be output as resource maps, graphs and reports using simple selections or powerful queries. The program supports the import and export of data to and from shapefiles and supports universal (UTM) and other transverse mercator projections. Data may also be imported from Excel files, Access databases and text files.

Shape Viewer is a free tool, which you can use to view ESRI Shapefiles.

This free GIS Viewer opens most GIS/CAD vector, raster image, and grid file types most ArcView, ArcExplorer, and MapInfo projects.  Besides just opening and viewing map files and attribute data, the Viewer includes a comprehensive visual layer properties control, legend control, attribute data table, features for thematic mapping, spatial and attribute querying, custom labeling, on-map measurements, hyper-linking, pie/bar charts, and much more. Advanced support for coordinate system includes automatic recognition of the coordinate system of each layer and on-the-fly reprojection of vector and raster map layers between nearly 3,000 pre-defined coordinate systems. The user interface is available in 16 language options.

TNTatlas is a free Geodata viewing tool for Mac OS X and Windows. Geodata files currently supported include shapefiles, DWG, DGN, DXF, JPEG, JP2, TIFF, GeoTIFF, PNG, ECW, and MrSID formats. TNTatlas also has features for querying, measurement, printing, sketching of the displayed geodata.

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