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GRASS GIS (Geographic Resources Analysis Support System) is an Open Source/Free Software Geographical Information System (GIS) with raster, topological vector, image processing, and graphics production functionality that operates on various platforms…

The site links to statistical data in tables, charts, maps or reports and provides the navigational tools for easy access. The emphasis is on the latest available tabular data from reputable public sources currently on the Web. Entries are regularly…

The World Population page displays an estimate of the current world population, and includes a variety of links to related sites.

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