Unidata develops, maintains, and supports a variety of software packages. Some of these packages are developed at the Unidata Program Center (UPC), while others originated externally, but are modified, maintained, and supported at the UPC. Software provided by Unidata is available at no charge, but there are conditions on accessing or obtaining support for some packages.
GEMPAK is an analysis, display, and product generation package for meteorological data. It is used at National Centers for producing operational forecast and analysis products.
Integrated Data Viewer (IDV)
Developed using Java, VisAD and other component libraries, the IDV is a meteorologically oriented, platform-independent application for visualization and analysis.
McIDAS is a meteorologically oriented analysis and display package, that emphasizes comprehensive capabilities for image processing of data from satellite-borne sensor systems, and that supports ADDE client/server access to remote data.
LDM-McIDAS Decoders are used to decode image products into McIDAS- and GEMPAK-readable formats, and wind profiler and lightning data into McIDAS-readable formats.
netCDF and GRIB Decoders
netCDF Decoders are used to manage GRIB and text data by either decoding the data into netCDF files and not storing the raw data or by storing the raw data and decoding the data into netCDF files on the fly.
The netCDF Perl package is a perl extension module for scientific data access via the netCDF API.
THREDDS Data Server
The THREDDS Data Server is a web server that provides metadata and data access for scientific datasets.
UDUNITS supports conversion of unit specifications between formatted and binary forms, arithmetic manipulation of unit specifications, and conversion of values between compatible scales of measurement.