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Desmos vs SageMath: catalog facts
Desmos	SageMath
Free The calculators are free to use.	Free Free and open source under the GPL.
Web	Windows, macOS, Linux
Graphing, scientific, geometry and 3D calculators in one place Runs in the browser with nothing to install	Combines many mathematics libraries behind one Python-based language Free alternative to Mathematica, Maple and Matlab
Web-based, so it needs a browser and connection Not open source	Windows needs the Windows Subsystem for Linux Large install with a learning curve
Web application	Downloadable app
Closed source	Open source
License not stated	License: GPL
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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