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- ecCodes by ECMWF
- Supports GRIB to NetCDF conversion (grib_to_netcdf -o netcdf_file grib_file)
- Supports GRIB to JSON (grib_dump -j <gribfile>)
- See tools and code examples for Fortran, Python and C
- CDO info operators (info, infon, sinfo, sinfon)
- NCO
- GrADS
- wgrib2, only for GRIB edition 2, wgrib2 can not cannot decode GRIB edition 1 files
- IDL
- the GDAL library, with limited support for coordinate systems, georeferencing and metadata. In particular irregular (non-cartesian) coordinate systems might not be decoded correctly.
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