Tools

Earth & space data platforms

6 tools compared: how each is priced, where it runs, and what to consider instead.

Tool Pricing model Free tier Open source
Astropy Open-source Python library providing core tools astronomers use for data analysis, coordinates, units and file formats. Open source + paid Yes Yes
Copernicus Data Space Ecosystem Free EU platform for the full Copernicus Sentinel satellite archive, with imagery down to 10m resolution and daily revisit. Free Yes No
NASA Earthdata NASA's free portal to its full Earth-observing satellite archive, spanning decades of imagery, climate and atmospheric data. Free Yes No
NOAA Open Data NOAA's free public archives of weather, climate, ocean and satellite data, from real-time feeds to century-scale climate records. Free Yes No
Sentinel Hub Cloud API for satellite imagery (Sentinel, Landsat, Planet and more) with on-the-fly processing, now owned by Planet Labs. Free tier + paid Yes No
USGS EarthExplorer USGS's free search and download portal for the Landsat archive and other US government aerial and satellite imagery. Free Yes No

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