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Compare GWeatherRouting with alternatives
GWeatherRouting vs qtVlm
qtVlm also plans sailing routes around weather and includes a GRIB viewer and chart support, with freemium pricing and mobile apps.
GWeatherRouting vs PredictWind
PredictWind offers marine weather routing and departure planning through the web, with freemium pricing instead of desktop software.
GWeatherRouting vs LuckGribLuckGrib combines GRIB forecasts with weather routing for sailors on iPhone, iPad and Mac, and is paid software.