The best free alternative to GRLevel3 is wX, which is also Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to GRLevel3 and seven of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to GRLevel3 are Supercell Wx, GetNexrad, AWIPS and WeatherWise.
wX is a free, no-ads, and open-source ( GNU GPLv3 ) advanced weather application that is geared towards storm chasers, meteorologists, and weather enthusiasts.
Developed by Dan Paulat, Supercell Wx is an open-source radar viewing application available for both Linux and Windows. With a strong motivation to address the lack of free radar programs, Paulat took it upon himself to create a program accessible to all users.
GetNexrad.exe is a tool used to view NOAA WSR-88D Nexrad doppler radar images and compute point and area average rainfall and to generate the basin point file used by GetRealtime.exe for automating computaion of a basin average rainfall time series in real time.
AWIPS (Advanced Weather Interactive Processing System) is a meteorological display and analysis package originally developed by the National Weather Service and Raytheon.
Free high-resolution weather radar and satellite. Real-time weather alerts, all available in your browser, on iOS and Android.
Whether life takes you on on the road, on a rooftop or on the golf course, RadarOmega provides you with high quality NEXRAD/TDWR radar data to keep you alert to rapidly changing weather conditions faster than most conventional weather applications on the market.
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