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Generic Mapping Tools — GIS (Open Source)

Generic Mapping Tools is an open-source GIS solution from GMT project. Compare it against 80 other GIS tools on FreeSoftwareX — by features, licensing and price — and request a quote or demo free in 2026.

What is Generic Mapping Tools?

Generic Mapping Tools is open source — its source code is publicly available and free to use, modify and self-host, usually with an active community and no licensing fees. It is categorised under GIS and published by GMT project. Buyers typically evaluate Generic Mapping Tools when they need a dependable GIS option and want to weigh the trade-offs between free, open-source and paid tools before committing.

Generic Mapping Tools alternatives

If Generic Mapping Tools isn't the right fit, compare these GIS alternatives side by side:

ARC/INFOArcGISArcGIS OnlineArcGIS ServerArcIMSArcMapArcSDEAutoCAD Map 3DAutodesk MapGuideAutodesk TopobaseBentley MapCadcorp SISCapawareCartoDB (CARTO)

Frequently asked questions

Is Generic Mapping Tools free?
Yes. Generic Mapping Tools is open source and free to use, with no purchase cost for the core product.
What are the best Generic Mapping Tools alternatives?
Popular GIS alternatives to Generic Mapping Tools include ARC/INFO, ArcGIS, ArcGIS Online, ArcGIS Server. See the full list of GIS on FreeSoftwareX.
What type of software is Generic Mapping Tools?
Generic Mapping Tools is an open-source GIS tool developed by GMT project.

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