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GeoGebra DiscoveryDesmos
Free

Free and open source under the GPL-3.0 or later.

 Free

The calculators are free to use.

Windows, Linux Web
  • Early access to geometry features not yet in official GeoGebra
  • Based on the full GeoGebra code base
  • Graphing, scientific, geometry and 3D calculators in one place
  • Runs in the browser with nothing to install
  • Some features are explicitly unstable and not meant for everyday use
  • Features may never be merged into official GeoGebra
  • Web-based, so it needs a browser and connection
  • Not open source
Downloadable app Web application
Open source Closed source
License: GPL-3.0-or-later License not stated
Not stated if an account is needed No account needed
Not stated if it works offline Not stated if it works offline

Checked October 1, 2026

Checked September 23, 2026

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