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ESA is developing three new free open source Toolboxes for the scientific exploitation of the Sentinel-1, Sentinel-2 and Sentinel-3 missions.

The Toolboxes are based on the Sentinel Application Platform (SNAP) which is the evolution of the proven BEAM/NEST architecture inheriting all current BEAM and NEST functionality including multi-mission support for SAR and optical missions to support ESA and third party missions for years to come.

The Sentinel-1 Toolbox (S1TBX) consists of a collection of processing tools, data product readers and writers and a display and analysis applications to support the large archive of data from ESA SAR missions including Sentinel-1, ERS1 & 2 and ENVISAT, as well as third party SAR-data from ALOS PALSAR, TerraSAR-X, Cosmo-Skymed and RADARSAT-2. The various processing tools could be run independently from the command-line and also integrated within the graphical user interface. The Toolbox includes tools for calibration, speckle filtering, coregistration, orthorectification, mosaicking, data conversion, polarimetry and interferometry.

The Sentinel-1 Toolbox is being developed for ESA by Array in partnership with DLR, Brockmann Consult and OceanDataLab.

The current release 1 of the Sentinel-1 Toolbox is a stand alone toolbox intended for exploitation of spaceborne SAR data. The next release, available in March 2015, will consist of a common Sentinel Aplication Platform (SNAP) for S-1, S-2 and S-3 with a single installer and application interface.