zyGrib - GRIB File Viewer
Ventusky - Real-time weather mapping
Ugrib - Our freeware application Ugrib allows instant and fully customizable access to global weather data.
GoldenSoftware Surfer - GoldenSoftware Surfer is full-function weather forecasting software that offers 2D or 3D mapping, modeling, and analysis mostly used by scientists or engineers.
NOAA Weather and Climate Toolkit - NOAA Weather and Climate Toolkit is one of the simple weather forecasting software developed by the National Centers for Environment Information, allowing the visualization and data export of weather or climate.
OpenSeaMap - OpenSeaMap - The free nautical chart