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KAlgebra vs Desmos: catalog facts
KAlgebra	Desmos
Free Free and open source under the GPL-2.0-or-later licence.	Free The calculators are free to use.
Linux	Web
2D and 3D function plotting Symbolic and analysis features beyond basic arithmetic	Graphing, scientific, geometry and 3D calculators in one place Runs in the browser with nothing to install
Linux only in the published downloads Expression syntax takes some learning	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 October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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