QGIS - QGIS is a desktop geographic information system, or GIS.
zyGrib - GRIB File Viewer
GRASS GIS - GRASS GIS is a free Geographic Information System (GIS) software used for geospatial data management and analysis, image processing, graphics/maps production, spatial modeling, and visualization.
Ibl Visual Weather - Ibl Visual Weather is user-friendly weather forecasting software that provides detailed information about live wind, rain, temperature maps, and forecast for your place by utilizing one of the best weather forecast models like GFS, ICON, GEM, and ma…
gvSIG - gvSIG Mini Maps allows you to browse and navigate with GPS a full set of free on/offline maps from...
Ventusky - Real-time weather mapping