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Ventusky vs KMeteo: catalog facts
Ventusky	KMeteo

Best for: Checking wind, rain and temperature forecasts visually across a region	Best for: Linux desktop users, especially on KDE, who want a weather app
Free + paid options Free to use, with an optional Premium tier.	Free Free and open source under the GPL-3.0-or-later licence.
Web	Linux
More than 50 weather layers on one map Compare forecast models such as ECMWF, GFS, ICON and GEM Animated wind visualisation	Forecasts, weather maps and data in one window Native Qt interface that suits KDE desktops Packaged on Flathub and openSUSE
Some features need a Premium subscription Requires an internet connection	Depends on the OpenWeatherMap service Young project with a small user base Linux only
Web application	Downloadable app
Not open source	Open source
License not stated	License: GPL-3.0-or-later
No account needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Sources for Ventusky ventusky.com Catalog checked October 1, 2026	Official website Full listing and sources Sources for KMeteo gitlab.com/bitseater/kmeteo Catalog checked October 1, 2026

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