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KMeteo vs Windy: catalog facts
KMeteo	Windy

Best for: Linux desktop users, especially on KDE, who want a weather app	Best for: Sailors, pilots and outdoor sports planners checking wind and weather
Free Free and open source under the GPL-3.0-or-later licence.	Free + paid options Free to use in the browser, with a paid premium subscription for extra features.
Linux	Web
Forecasts, weather maps and data in one window Native Qt interface that suits KDE desktops Packaged on Flathub and openSUSE	Compare several forecast models such as ECMWF and GFS Animated wind, wave and radar layers METAR, TAF and NOTAMs for airports Point forecasts for any spot
Depends on the OpenWeatherMap service Young project with a small user base Linux only	Needs an internet connection Closed source
Downloadable app	Web application
Open source	Not open source
License: GPL-3.0-or-later	License not stated
Not stated if an account is needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Sources for KMeteo gitlab.com/bitseater/kmeteo Catalog checked October 1, 2026	Official website Full listing and sources Sources for Windy windy.com Catalog checked September 23, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.