It is a set of tools for ArcGIS that enable the users to create surfaces.
It expands the geodatabase functionality of the ArcGIS Explorer Desktop app.
It adds projections and geotransformations for use with ArcGIS Explorer Desktop.
GTP for ArcGIS the functionalities of ArcGIS to more than 90 raster formats.
It is a plug-in that provides interoperability between AutoCAD and ArcGIS.