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NCAR partners with the community to create software specially designed to support Earth system science. This gives scientists the platform they need to expand our understanding of the Earth, the skies, the weather, the wind, the clouds.… and to change the world. NCAR software packages are freely available—and free of charge—thanks to NCAR’s longtime commitment to the computing and scientific community.

DART is the Data Assimilation Research Testbed. Its data assimilation capabilities provide a bridge between real-world data and a wide range of computational models, with a rigorous framework.

       Learn about DART

GeoCAT is the Geoscience Community Analysis Toolkit. It creates scalable data analysis and visualization tools for Earth system science data in the scientific Python ecosystem.
 

       Learn about GeoCAT

VAPOR is the Visualization and Analysis Platform for Ocean, Atmosphere, and Solar Researchers. It provides an interactive 3D visualization environment that can produce animations and still frame images.

       Learn about VAPOR

NCAR’s classic math libraries are a geophysics mainstay that includes the Fortran libraries FFTPACK, FISHPACK, MUDPACK, and SPHEREPACK.

These libraries, developed at NCAR from 1970 to 1990, are still in use thanks to the value they bring to the scientific community.

Learn more about classic math libraries

NCAR's Digital Assets Services Hub (DASH) can provide guidance on data management and planning, best practices for data and metadata, and more.

Visit DASH