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Kig vs Desmos: catalog facts
Kig	Desmos
Free Free and open source as part of the KDE applications.	Free The calculators are free to use.
macOS, Linux	Web
Constructions update live as you drag elements Extensible with macros and Python scripting	Graphing, scientific, geometry and 3D calculators in one place Runs in the browser with nothing to install
No Windows or mobile version listed Narrower in scope than GeoGebra	Web-based, so it needs a browser and connection Not open source
Downloadable app	Web application
Open source	Closed source
License: GPL-2.0-or-later	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.