Geographic Information
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NASA
NASA - Open Source Geographic Information
NASA has released World Wind as an open source program to improve its quality through peer review, maximize awareness and impact of NASA research, and increase dissemination of World Wind in support of NASA's mission: To inspire the next generation of explorers ... as only NASA can. NASA Learning Technologies is a NASA R&D effort for the engineering of teaching tools that deliver NASA content in the most engaging and dynamic manner possible. NASA LT builds the pipeline and the delivery point for unencumbered access to the best data NASA has to provide.
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GRASS GIS
GRASS GIS - Open Source Geographic Information
Geographic Resources Analysis Support System, commonly referred to as GRASS GIS, is a Geographic Information System (GIS) used for data management, image processing, graphics production, spatial modeling, and visualization of many types of data. It is Free (Libre) Software/Open Source released under GNU General Public License (GPL) >= V2. GRASS GIS is an official project of the Foundation. Originally developed by the U.S. Army Construction Engineering Research Laboratories (USA-CERL, 1982-1995, see history of GRASS 1.0-4.2 and 5beta), a branch of the US Army Corp of Engineers, as a tool for land management and environmental planning by the military, GRASS GIS has evolved into a powerful utility with a wide range of applications in many different areas of applications and scientific research. GRASS is currently used in academic and commercial settings around the world, as well as many governmental agencies including NASA, NOAA, USDA, DLR, CSIRO, the National Park Service, the U.S. Census Bureau, USGS, and many environmental consulting companies.
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MapWindow
MapWindow - Open Source Geographic Information
MapWindow GIS project includes a free and open source desktop geographic information system (GIS) with an extensible plugin architecture; a GIS ActiveX control; and C# GIS programmer library called DotSpatial. We would be happy to have you join our project. Feel free to browse this site, or follow the links below depending on if you are a GIS user, GIS programmer, or potential project contributor.
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SAGA
SAGA - Open Source Geographic Information
The SAGA development started with the beginning of the 3rd millennium and has been initiated by a small team of researchers from the Dept. of Physical Geography, Gottingen. In 2007 the center of the SAGA development moved towards Hamburg, where a few of us are employed now at the Dept. of Physical Geography, Hamburg. SAGA is a Free Open Source Software (FOSS), which generally means that you have the freedom.
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