Tool to import and edit maps from the Spanish Sede Electrónica del Catastro (SEC) in multiple formats, edit this information and export it in INSPIRE GML.

The GMLAS driver (Application schema driver for GDAL) allows to read and write GML app schema from GDAL.

The driver is currently improved in the scope of the development of a QGIS App Schema plugin. The driver, however, can be used in any application having GDAL on board, such as stetl, Geoserver, talend-spatial, Fiona, FME, ArcMap, mapwindow

World Wind is a free, open source API for a virtual globe. It provides a rich set of features for displaying and interacting with geographic data and representing a wide range of geometric objects.