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Generic Mapping Tools vs SAGA GIS: catalog facts
Generic Mapping Tools	SAGA GIS
Free Free and open source under the GNU Lesser General Public License.	Free Free and open source.
Windows, macOS, Linux, Command line	Windows, Linux
Processes geographic and Cartesian data Includes more than 30 map projections and transformations	Strong focus on terrain analysis Geoscientific processing tools in one desktop program
Requires supporting geographic data for features such as coastlines and political boundaries	Aimed at analysis rather than map layout Project site is sparse and forwards to SourceForge
Downloadable app	Downloadable app
Open source	Open source
License: LGPL-3.0-or-later	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 2, 2026

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