Query and order satellite images, aerial photographs, and cartographic products through the U.S. Geological Survey.
A Free and Open Source Geographic Information System. Create, edit, visualise, analyse and publish geospatial information on Windows, Mac, Linux, BSD (Android coming soon).
Commonly referred to as GRASS (Geographic Resources Analysis Support System), is a free and open source GIS. GRASS GIS is a software suite used for geospatial data management and analysis, image processing, graphics and maps production, spatial modeling, and visualization.
The Sentinels Scientific Data Hub provides complete, free and open access to Sentinel-1 and Sentinel-2 user products, starting from the In-Orbit Commissioning Review (IOCR).
CartoDB is a location intelligence and visualization engine that empowers you to effortlessly transform data into insights.
The European Space Agency (ESA) is Europe’s gateway to space. Its mission is to shape the development of Europe’s space capability and ensure that investment in space continues to deliver benefits to the citizens of Europe and the world.
NASA’s vision: We reach for new heights and reveal the unknown for the benefit of humankind.
To do that, thousands of people have been working around the world — and off of it — for more than 50 years, trying to answer some basic questions. What’s out there in space? How do we get there? What will we find? What can we learn there, or learn just by trying to get there, that will make life better here on Earth?
GNU is an operating system that is free software—that is, it respects users’ freedom. The development of GNU made it possible to use a computer without software that would trample your freedom.